Home / 19,538.62-29,286.74-9,531.97

Finding the Fourth Proportional to 19,538.62, 29,286.74 and 9,531.97

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Solution

The fourth proportional to 19,538.62, 29,286.74 and 9,531.97 is: 14,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.62 : 29,286.74 = 9,531.97 : x
  2. Step 2: Convert to fraction form
    19,538.62/29,286.74 = 9,531.97/x
  3. Step 3: Cross multiply
    19,538.62x = 29,286.74 × 9,531.97
  4. Step 4: Simplify right side
    19,538.62x = 279,160,277.69
  5. Step 5: Solve for x
    x = 279,160,277.69/19,538.62
  6. Step 6: Final answer
    x = 14,287.62

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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.