Home / 17,670.22-26,517.78-8,310.70

Finding the Fourth Proportional to 17,670.22, 26,517.78 and 8,310.70

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Solution

The fourth proportional to 17,670.22, 26,517.78 and 8,310.70 is: 12,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670.22 : 26,517.78 = 8,310.70 : x
  2. Step 2: Convert to fraction form
    17,670.22/26,517.78 = 8,310.70/x
  3. Step 3: Cross multiply
    17,670.22x = 26,517.78 × 8,310.70
  4. Step 4: Simplify right side
    17,670.22x = 220,381,314.25
  5. Step 5: Solve for x
    x = 220,381,314.25/17,670.22
  6. Step 6: Final answer
    x = 12,471.91

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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.