Home / 11,711.01-17,568.27-3,918

Finding the Fourth Proportional to 11,711.01, 17,568.27 and 3,918

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Solution

The fourth proportional to 11,711.01, 17,568.27 and 3,918 is: 5,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.01 : 17,568.27 = 3,918 : x
  2. Step 2: Convert to fraction form
    11,711.01/17,568.27 = 3,918/x
  3. Step 3: Cross multiply
    11,711.01x = 17,568.27 × 3,918
  4. Step 4: Simplify right side
    11,711.01x = 68,832,481.86
  5. Step 5: Solve for x
    x = 68,832,481.86/11,711.01
  6. Step 6: Final answer
    x = 5,877.59

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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.