Home / 15,726.88-23,531.43-9,378.55

Finding the Fourth Proportional to 15,726.88, 23,531.43 and 9,378.55

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Solution

The fourth proportional to 15,726.88, 23,531.43 and 9,378.55 is: 14,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726.88 : 23,531.43 = 9,378.55 : x
  2. Step 2: Convert to fraction form
    15,726.88/23,531.43 = 9,378.55/x
  3. Step 3: Cross multiply
    15,726.88x = 23,531.43 × 9,378.55
  4. Step 4: Simplify right side
    15,726.88x = 220,690,575.17
  5. Step 5: Solve for x
    x = 220,690,575.17/15,726.88
  6. Step 6: Final answer
    x = 14,032.70

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1.5x scale

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.