Home / 22,079.68-30,460.97-12,517.55

Finding the Fourth Proportional to 22,079.68, 30,460.97 and 12,517.55

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Solution

The fourth proportional to 22,079.68, 30,460.97 and 12,517.55 is: 17,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.68 : 30,460.97 = 12,517.55 : x
  2. Step 2: Convert to fraction form
    22,079.68/30,460.97 = 12,517.55/x
  3. Step 3: Cross multiply
    22,079.68x = 30,460.97 × 12,517.55
  4. Step 4: Simplify right side
    22,079.68x = 381,296,500.13
  5. Step 5: Solve for x
    x = 381,296,500.13/22,079.68
  6. Step 6: Final answer
    x = 17,269.12

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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.