Home / 15,462.75-23,175.11-7,131.20

Finding the Fourth Proportional to 15,462.75, 23,175.11 and 7,131.20

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Solution

The fourth proportional to 15,462.75, 23,175.11 and 7,131.20 is: 10,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462.75 : 23,175.11 = 7,131.20 : x
  2. Step 2: Convert to fraction form
    15,462.75/23,175.11 = 7,131.20/x
  3. Step 3: Cross multiply
    15,462.75x = 23,175.11 × 7,131.20
  4. Step 4: Simplify right side
    15,462.75x = 165,266,192.90
  5. Step 5: Solve for x
    x = 165,266,192.90/15,462.75
  6. Step 6: Final answer
    x = 10,688.02

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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.