Home / 11,531.07-17,296.61-3,739.88

Finding the Fourth Proportional to 11,531.07, 17,296.61 and 3,739.88

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Solution

The fourth proportional to 11,531.07, 17,296.61 and 3,739.88 is: 5,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.07 : 17,296.61 = 3,739.88 : x
  2. Step 2: Convert to fraction form
    11,531.07/17,296.61 = 3,739.88/x
  3. Step 3: Cross multiply
    11,531.07x = 17,296.61 × 3,739.88
  4. Step 4: Simplify right side
    11,531.07x = 64,687,140.62
  5. Step 5: Solve for x
    x = 64,687,140.62/11,531.07
  6. Step 6: Final answer
    x = 5,609.81

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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.