Home / 12,524.73-17,269.46-9,998.75

Finding the Fourth Proportional to 12,524.73, 17,269.46 and 9,998.75

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Solution

The fourth proportional to 12,524.73, 17,269.46 and 9,998.75 is: 13,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.73 : 17,269.46 = 9,998.75 : x
  2. Step 2: Convert to fraction form
    12,524.73/17,269.46 = 9,998.75/x
  3. Step 3: Cross multiply
    12,524.73x = 17,269.46 × 9,998.75
  4. Step 4: Simplify right side
    12,524.73x = 172,672,876.83
  5. Step 5: Solve for x
    x = 172,672,876.83/12,524.73
  6. Step 6: Final answer
    x = 13,786.55

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.