Home / 19,932.91-29,862.90-9,411.62

Finding the Fourth Proportional to 19,932.91, 29,862.90 and 9,411.62

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Solution

The fourth proportional to 19,932.91, 29,862.90 and 9,411.62 is: 14,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.91 : 29,862.90 = 9,411.62 : x
  2. Step 2: Convert to fraction form
    19,932.91/29,862.90 = 9,411.62/x
  3. Step 3: Cross multiply
    19,932.91x = 29,862.90 × 9,411.62
  4. Step 4: Simplify right side
    19,932.91x = 281,058,266.90
  5. Step 5: Solve for x
    x = 281,058,266.90/19,932.91
  6. Step 6: Final answer
    x = 14,100.21

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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.