Home / 11,832.35-17,711.61-8,715.87

Finding the Fourth Proportional to 11,832.35, 17,711.61 and 8,715.87

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Solution

The fourth proportional to 11,832.35, 17,711.61 and 8,715.87 is: 13,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.35 : 17,711.61 = 8,715.87 : x
  2. Step 2: Convert to fraction form
    11,832.35/17,711.61 = 8,715.87/x
  3. Step 3: Cross multiply
    11,832.35x = 17,711.61 × 8,715.87
  4. Step 4: Simplify right side
    11,832.35x = 154,372,090.25
  5. Step 5: Solve for x
    x = 154,372,090.25/11,832.35
  6. Step 6: Final answer
    x = 13,046.61

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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.