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A cross-multiplication calculator solves proportions of the form a/b = c/d by computing a×d = b×c. Cross-multiplication is a fundamental technique for solving equations involving fractions, finding equivalent ratios, scaling recipes, and map distance calculations.

ステップバイステップガイド

  1. 1a/b = c/d cross: a*d = b*c
  2. 2Solve for unknown
  3. 3Verify equality

解いた例

入力
Enter the required values
結果
Result computed by the formula

避けるべきよくある間違い

  • Inaccurate inputs
  • Outdated assumptions

よくある質問

What does this calculator do?

Enter your data

How do I use this calculator?

System calculates

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