Home / 11,442.53-17,169.68-8,668.28

Finding the Fourth Proportional to 11,442.53, 17,169.68 and 8,668.28

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Solution

The fourth proportional to 11,442.53, 17,169.68 and 8,668.28 is: 13,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,442.53 : 17,169.68 = 8,668.28 : x
  2. Step 2: Convert to fraction form
    11,442.53/17,169.68 = 8,668.28/x
  3. Step 3: Cross multiply
    11,442.53x = 17,169.68 × 8,668.28
  4. Step 4: Simplify right side
    11,442.53x = 148,831,593.75
  5. Step 5: Solve for x
    x = 148,831,593.75/11,442.53
  6. Step 6: Final answer
    x = 13,006.88

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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.