Home / 15,128.60-22,648.10-11,250.20

Finding the Fourth Proportional to 15,128.60, 22,648.10 and 11,250.20

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Solution

The fourth proportional to 15,128.60, 22,648.10 and 11,250.20 is: 16,841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.60 : 22,648.10 = 11,250.20 : x
  2. Step 2: Convert to fraction form
    15,128.60/22,648.10 = 11,250.20/x
  3. Step 3: Cross multiply
    15,128.60x = 22,648.10 × 11,250.20
  4. Step 4: Simplify right side
    15,128.60x = 254,795,654.62
  5. Step 5: Solve for x
    x = 254,795,654.62/15,128.60
  6. Step 6: Final answer
    x = 16,841.99

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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.