Home / 10,097.43-15,149.24-5,170.53

Finding the Fourth Proportional to 10,097.43, 15,149.24 and 5,170.53

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Solution

The fourth proportional to 10,097.43, 15,149.24 and 5,170.53 is: 7,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.43 : 15,149.24 = 5,170.53 : x
  2. Step 2: Convert to fraction form
    10,097.43/15,149.24 = 5,170.53/x
  3. Step 3: Cross multiply
    10,097.43x = 15,149.24 × 5,170.53
  4. Step 4: Simplify right side
    10,097.43x = 78,329,599.90
  5. Step 5: Solve for x
    x = 78,329,599.90/10,097.43
  6. Step 6: Final answer
    x = 7,757.38

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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.