Home / 16,442.91-22,691.31-9,369.84

Finding the Fourth Proportional to 16,442.91, 22,691.31 and 9,369.84

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Solution

The fourth proportional to 16,442.91, 22,691.31 and 9,369.84 is: 12,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.91 : 22,691.31 = 9,369.84 : x
  2. Step 2: Convert to fraction form
    16,442.91/22,691.31 = 9,369.84/x
  3. Step 3: Cross multiply
    16,442.91x = 22,691.31 × 9,369.84
  4. Step 4: Simplify right side
    16,442.91x = 212,613,944.09
  5. Step 5: Solve for x
    x = 212,613,944.09/16,442.91
  6. Step 6: Final answer
    x = 12,930.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.