Home / 15,149.26-22,729.35-7,757.20

Finding the Fourth Proportional to 15,149.26, 22,729.35 and 7,757.20

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Solution

The fourth proportional to 15,149.26, 22,729.35 and 7,757.20 is: 11,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.26 : 22,729.35 = 7,757.20 : x
  2. Step 2: Convert to fraction form
    15,149.26/22,729.35 = 7,757.20/x
  3. Step 3: Cross multiply
    15,149.26x = 22,729.35 × 7,757.20
  4. Step 4: Simplify right side
    15,149.26x = 176,316,000.17
  5. Step 5: Solve for x
    x = 176,316,000.17/15,149.26
  6. Step 6: Final answer
    x = 11,638.59

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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.