Home / 19,513.32-29,270-9,132.36

Finding the Fourth Proportional to 19,513.32, 29,270 and 9,132.36

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Solution

The fourth proportional to 19,513.32, 29,270 and 9,132.36 is: 13,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.32 : 29,270 = 9,132.36 : x
  2. Step 2: Convert to fraction form
    19,513.32/29,270 = 9,132.36/x
  3. Step 3: Cross multiply
    19,513.32x = 29,270 × 9,132.36
  4. Step 4: Simplify right side
    19,513.32x = 267,304,177.20
  5. Step 5: Solve for x
    x = 267,304,177.20/19,513.32
  6. Step 6: Final answer
    x = 13,698.55

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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.