Proportion Calculator
Solve proportions and find the missing value in a ratio equation.
x (solved)
20.0000
a/b = c/x
| Proportion | 3/5 = 12/x |
| Cross Multiply | 3 * x = 5 * 12 |
| x | 20.0000 |
Use the Proportion Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
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