Home / 11,708.20-17,561.76-3,387.97

Finding the Fourth Proportional to 11,708.20, 17,561.76 and 3,387.97

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Solution

The fourth proportional to 11,708.20, 17,561.76 and 3,387.97 is: 5,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.20 : 17,561.76 = 3,387.97 : x
  2. Step 2: Convert to fraction form
    11,708.20/17,561.76 = 3,387.97/x
  3. Step 3: Cross multiply
    11,708.20x = 17,561.76 × 3,387.97
  4. Step 4: Simplify right side
    11,708.20x = 59,498,716.03
  5. Step 5: Solve for x
    x = 59,498,716.03/11,708.20
  6. Step 6: Final answer
    x = 5,081.80

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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.