Home / 18,403.38-25,393.60-17,469.34

Finding the Fourth Proportional to 18,403.38, 25,393.60 and 17,469.34

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Solution

The fourth proportional to 18,403.38, 25,393.60 and 17,469.34 is: 24,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.38 : 25,393.60 = 17,469.34 : x
  2. Step 2: Convert to fraction form
    18,403.38/25,393.60 = 17,469.34/x
  3. Step 3: Cross multiply
    18,403.38x = 25,393.60 × 17,469.34
  4. Step 4: Simplify right side
    18,403.38x = 443,609,432.22
  5. Step 5: Solve for x
    x = 443,609,432.22/18,403.38
  6. Step 6: Final answer
    x = 24,104.78

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Half 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.