Home / 10,123.38-15,194.79-4,932.90

Finding the Fourth Proportional to 10,123.38, 15,194.79 and 4,932.90

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Solution

The fourth proportional to 10,123.38, 15,194.79 and 4,932.90 is: 7,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.38 : 15,194.79 = 4,932.90 : x
  2. Step 2: Convert to fraction form
    10,123.38/15,194.79 = 4,932.90/x
  3. Step 3: Cross multiply
    10,123.38x = 15,194.79 × 4,932.90
  4. Step 4: Simplify right side
    10,123.38x = 74,954,379.59
  5. Step 5: Solve for x
    x = 74,954,379.59/10,123.38
  6. Step 6: Final answer
    x = 7,404.09

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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.