Home / 18,608.18-25,672.82-11,897.73

Finding the Fourth Proportional to 18,608.18, 25,672.82 and 11,897.73

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Solution

The fourth proportional to 18,608.18, 25,672.82 and 11,897.73 is: 16,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.18 : 25,672.82 = 11,897.73 : x
  2. Step 2: Convert to fraction form
    18,608.18/25,672.82 = 11,897.73/x
  3. Step 3: Cross multiply
    18,608.18x = 25,672.82 × 11,897.73
  4. Step 4: Simplify right side
    18,608.18x = 305,448,221.21
  5. Step 5: Solve for x
    x = 305,448,221.21/18,608.18
  6. Step 6: Final answer
    x = 16,414.73

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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.