Home / 22,115.22-30,517.77-12,552.57

Finding the Fourth Proportional to 22,115.22, 30,517.77 and 12,552.57

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Solution

The fourth proportional to 22,115.22, 30,517.77 and 12,552.57 is: 17,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.22 : 30,517.77 = 12,552.57 : x
  2. Step 2: Convert to fraction form
    22,115.22/30,517.77 = 12,552.57/x
  3. Step 3: Cross multiply
    22,115.22x = 30,517.77 × 12,552.57
  4. Step 4: Simplify right side
    22,115.22x = 383,076,444.17
  5. Step 5: Solve for x
    x = 383,076,444.17/22,115.22
  6. Step 6: Final answer
    x = 17,321.85

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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.