Home / 22,377.92-30,882.29-12,306.74

Finding the Fourth Proportional to 22,377.92, 30,882.29 and 12,306.74

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Solution

The fourth proportional to 22,377.92, 30,882.29 and 12,306.74 is: 16,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,377.92 : 30,882.29 = 12,306.74 : x
  2. Step 2: Convert to fraction form
    22,377.92/30,882.29 = 12,306.74/x
  3. Step 3: Cross multiply
    22,377.92x = 30,882.29 × 12,306.74
  4. Step 4: Simplify right side
    22,377.92x = 380,060,097.69
  5. Step 5: Solve for x
    x = 380,060,097.69/22,377.92
  6. Step 6: Final answer
    x = 16,983.71

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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.