Home / 18,757.23-28,135.98-5,609.85

Finding the Fourth Proportional to 18,757.23, 28,135.98 and 5,609.85

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Solution

The fourth proportional to 18,757.23, 28,135.98 and 5,609.85 is: 8,414.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.23 : 28,135.98 = 5,609.85 : x
  2. Step 2: Convert to fraction form
    18,757.23/28,135.98 = 5,609.85/x
  3. Step 3: Cross multiply
    18,757.23x = 28,135.98 × 5,609.85
  4. Step 4: Simplify right side
    18,757.23x = 157,838,627.40
  5. Step 5: Solve for x
    x = 157,838,627.40/18,757.23
  6. Step 6: Final answer
    x = 8,414.82

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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.