Home / 12,752.76-17,592.30-8,279.04

Finding the Fourth Proportional to 12,752.76, 17,592.30 and 8,279.04

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Solution

The fourth proportional to 12,752.76, 17,592.30 and 8,279.04 is: 11,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.76 : 17,592.30 = 8,279.04 : x
  2. Step 2: Convert to fraction form
    12,752.76/17,592.30 = 8,279.04/x
  3. Step 3: Cross multiply
    12,752.76x = 17,592.30 × 8,279.04
  4. Step 4: Simplify right side
    12,752.76x = 145,647,355.39
  5. Step 5: Solve for x
    x = 145,647,355.39/12,752.76
  6. Step 6: Final answer
    x = 11,420.85

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.