Home / 15,128.97-22,693.38-5,766.86

Finding the Fourth Proportional to 15,128.97, 22,693.38 and 5,766.86

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Solution

The fourth proportional to 15,128.97, 22,693.38 and 5,766.86 is: 8,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.97 : 22,693.38 = 5,766.86 : x
  2. Step 2: Convert to fraction form
    15,128.97/22,693.38 = 5,766.86/x
  3. Step 3: Cross multiply
    15,128.97x = 22,693.38 × 5,766.86
  4. Step 4: Simplify right side
    15,128.97x = 130,869,431.92
  5. Step 5: Solve for x
    x = 130,869,431.92/15,128.97
  6. Step 6: Final answer
    x = 8,650.25

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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.