Proportion Calculator
Quickly solve for the missing value in a proportion (A/B = C/D) using cross-multiplication.
Last Updated: July 31, 2024
Proportion Calculator
Solve for the missing value in the proportion A/B = C/D. Click on an input to solve for it.
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About the Proportion Calculator
Our **Proportion Calculator** solves equations with two equivalent ratios. A proportion is a statement that two fractions are equal, written as A/B = C/D. This calculator helps you find the missing value in the equation.
How to Use the Proportion Calculator
- Enter any three known values into the boxes for A, B, C, and D.
- The calculator will automatically solve for the fourth value.
- Click on an input box to solve for that value instead.
The tool uses cross-multiplication to give an accurate answer.
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