Home / 18,463.92-27,711.60-7,378.38

Finding the Fourth Proportional to 18,463.92, 27,711.60 and 7,378.38

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Solution

The fourth proportional to 18,463.92, 27,711.60 and 7,378.38 is: 11,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.92 : 27,711.60 = 7,378.38 : x
  2. Step 2: Convert to fraction form
    18,463.92/27,711.60 = 7,378.38/x
  3. Step 3: Cross multiply
    18,463.92x = 27,711.60 × 7,378.38
  4. Step 4: Simplify right side
    18,463.92x = 204,466,715.21
  5. Step 5: Solve for x
    x = 204,466,715.21/18,463.92
  6. Step 6: Final answer
    x = 11,073.85

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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.