Home / 10,114.67-15,142.82-8,452.55

Finding the Fourth Proportional to 10,114.67, 15,142.82 and 8,452.55

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Solution

The fourth proportional to 10,114.67, 15,142.82 and 8,452.55 is: 12,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.67 : 15,142.82 = 8,452.55 : x
  2. Step 2: Convert to fraction form
    10,114.67/15,142.82 = 8,452.55/x
  3. Step 3: Cross multiply
    10,114.67x = 15,142.82 × 8,452.55
  4. Step 4: Simplify right side
    10,114.67x = 127,995,325.21
  5. Step 5: Solve for x
    x = 127,995,325.21/10,114.67
  6. Step 6: Final answer
    x = 12,654.43

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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.