Home / 10,961.38-16,434.87-3,937.87

Finding the Fourth Proportional to 10,961.38, 16,434.87 and 3,937.87

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Solution

The fourth proportional to 10,961.38, 16,434.87 and 3,937.87 is: 5,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.38 : 16,434.87 = 3,937.87 : x
  2. Step 2: Convert to fraction form
    10,961.38/16,434.87 = 3,937.87/x
  3. Step 3: Cross multiply
    10,961.38x = 16,434.87 × 3,937.87
  4. Step 4: Simplify right side
    10,961.38x = 64,718,381.53
  5. Step 5: Solve for x
    x = 64,718,381.53/10,961.38
  6. Step 6: Final answer
    x = 5,904.22

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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.