Home / 9,142.97-13,714.45-2,217.47

Finding the Fourth Proportional to 9,142.97, 13,714.45 and 2,217.47

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Solution

The fourth proportional to 9,142.97, 13,714.45 and 2,217.47 is: 3,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.97 : 13,714.45 = 2,217.47 : x
  2. Step 2: Convert to fraction form
    9,142.97/13,714.45 = 2,217.47/x
  3. Step 3: Cross multiply
    9,142.97x = 13,714.45 × 2,217.47
  4. Step 4: Simplify right side
    9,142.97x = 30,411,381.44
  5. Step 5: Solve for x
    x = 30,411,381.44/9,142.97
  6. Step 6: Final answer
    x = 3,326.20

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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.