Home / 11,531.28-17,296.88-3,634.45

Finding the Fourth Proportional to 11,531.28, 17,296.88 and 3,634.45

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Solution

The fourth proportional to 11,531.28, 17,296.88 and 3,634.45 is: 5,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.28 : 17,296.88 = 3,634.45 : x
  2. Step 2: Convert to fraction form
    11,531.28/17,296.88 = 3,634.45/x
  3. Step 3: Cross multiply
    11,531.28x = 17,296.88 × 3,634.45
  4. Step 4: Simplify right side
    11,531.28x = 62,864,645.52
  5. Step 5: Solve for x
    x = 62,864,645.52/11,531.28
  6. Step 6: Final answer
    x = 5,451.66

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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.