Home / 10,781.12-16,174.07-3,760.85

Finding the Fourth Proportional to 10,781.12, 16,174.07 and 3,760.85

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Solution

The fourth proportional to 10,781.12, 16,174.07 and 3,760.85 is: 5,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.12 : 16,174.07 = 3,760.85 : x
  2. Step 2: Convert to fraction form
    10,781.12/16,174.07 = 3,760.85/x
  3. Step 3: Cross multiply
    10,781.12x = 16,174.07 × 3,760.85
  4. Step 4: Simplify right side
    10,781.12x = 60,828,286.89
  5. Step 5: Solve for x
    x = 60,828,286.89/10,781.12
  6. Step 6: Final answer
    x = 5,642.11

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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.