Home / 22,780.92-34,155.24-10,123.74

Finding the Fourth Proportional to 22,780.92, 34,155.24 and 10,123.74

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Solution

The fourth proportional to 22,780.92, 34,155.24 and 10,123.74 is: 15,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.92 : 34,155.24 = 10,123.74 : x
  2. Step 2: Convert to fraction form
    22,780.92/34,155.24 = 10,123.74/x
  3. Step 3: Cross multiply
    22,780.92x = 34,155.24 × 10,123.74
  4. Step 4: Simplify right side
    22,780.92x = 345,778,769.40
  5. Step 5: Solve for x
    x = 345,778,769.40/22,780.92
  6. Step 6: Final answer
    x = 15,178.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.