Home / 12,617.44-18,926.16-10,780.96

Finding the Fourth Proportional to 12,617.44, 18,926.16 and 10,780.96

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Solution

The fourth proportional to 12,617.44, 18,926.16 and 10,780.96 is: 16,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.44 : 18,926.16 = 10,780.96 : x
  2. Step 2: Convert to fraction form
    12,617.44/18,926.16 = 10,780.96/x
  3. Step 3: Cross multiply
    12,617.44x = 18,926.16 × 10,780.96
  4. Step 4: Simplify right side
    12,617.44x = 204,042,173.91
  5. Step 5: Solve for x
    x = 204,042,173.91/12,617.44
  6. Step 6: Final answer
    x = 16,171.44

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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.