Home / 22,198.20-30,634.07-12,126.74

Finding the Fourth Proportional to 22,198.20, 30,634.07 and 12,126.74

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Solution

The fourth proportional to 22,198.20, 30,634.07 and 12,126.74 is: 16,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.20 : 30,634.07 = 12,126.74 : x
  2. Step 2: Convert to fraction form
    22,198.20/30,634.07 = 12,126.74/x
  3. Step 3: Cross multiply
    22,198.20x = 30,634.07 × 12,126.74
  4. Step 4: Simplify right side
    22,198.20x = 371,491,188.23
  5. Step 5: Solve for x
    x = 371,491,188.23/22,198.20
  6. Step 6: Final answer
    x = 16,735.20

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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.