Home / 15,759.20-23,641.60-5,229.85

Finding the Fourth Proportional to 15,759.20, 23,641.60 and 5,229.85

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Solution

The fourth proportional to 15,759.20, 23,641.60 and 5,229.85 is: 7,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.20 : 23,641.60 = 5,229.85 : x
  2. Step 2: Convert to fraction form
    15,759.20/23,641.60 = 5,229.85/x
  3. Step 3: Cross multiply
    15,759.20x = 23,641.60 × 5,229.85
  4. Step 4: Simplify right side
    15,759.20x = 123,641,949.58
  5. Step 5: Solve for x
    x = 123,641,949.58/15,759.20
  6. Step 6: Final answer
    x = 7,845.70

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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.