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Finding the Fourth Proportional to 17,000.40, 25,500.60 and 7,150.80

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Solution

The fourth proportional to 17,000.40, 25,500.60 and 7,150.80 is: 10,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.40 : 25,500.60 = 7,150.80 : x
  2. Step 2: Convert to fraction form
    17,000.40/25,500.60 = 7,150.80/x
  3. Step 3: Cross multiply
    17,000.40x = 25,500.60 × 7,150.80
  4. Step 4: Simplify right side
    17,000.40x = 182,349,690.48
  5. Step 5: Solve for x
    x = 182,349,690.48/17,000.40
  6. Step 6: Final answer
    x = 10,726.20

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Similar ratio
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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.