Home / 10,887.68-16,331.16-3,962

Finding the Fourth Proportional to 10,887.68, 16,331.16 and 3,962

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Solution

The fourth proportional to 10,887.68, 16,331.16 and 3,962 is: 5,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.68 : 16,331.16 = 3,962 : x
  2. Step 2: Convert to fraction form
    10,887.68/16,331.16 = 3,962/x
  3. Step 3: Cross multiply
    10,887.68x = 16,331.16 × 3,962
  4. Step 4: Simplify right side
    10,887.68x = 64,704,055.92
  5. Step 5: Solve for x
    x = 64,704,055.92/10,887.68
  6. Step 6: Final answer
    x = 5,942.87

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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.