Home / 15,425.97-23,136.03-7,520.55

Finding the Fourth Proportional to 15,425.97, 23,136.03 and 7,520.55

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Solution

The fourth proportional to 15,425.97, 23,136.03 and 7,520.55 is: 11,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,425.97 : 23,136.03 = 7,520.55 : x
  2. Step 2: Convert to fraction form
    15,425.97/23,136.03 = 7,520.55/x
  3. Step 3: Cross multiply
    15,425.97x = 23,136.03 × 7,520.55
  4. Step 4: Simplify right side
    15,425.97x = 173,995,670.42
  5. Step 5: Solve for x
    x = 173,995,670.42/15,425.97
  6. Step 6: Final answer
    x = 11,279.40

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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.