Home / 12,272.46-18,418.02-8,994.12

Finding the Fourth Proportional to 12,272.46, 18,418.02 and 8,994.12

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Solution

The fourth proportional to 12,272.46, 18,418.02 and 8,994.12 is: 13,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.46 : 18,418.02 = 8,994.12 : x
  2. Step 2: Convert to fraction form
    12,272.46/18,418.02 = 8,994.12/x
  3. Step 3: Cross multiply
    12,272.46x = 18,418.02 × 8,994.12
  4. Step 4: Simplify right side
    12,272.46x = 165,653,882.04
  5. Step 5: Solve for x
    x = 165,653,882.04/12,272.46
  6. Step 6: Final answer
    x = 13,498.02

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Half scale
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Double scale
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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.