Home / 22,117.20-33,175.80-12,251.40

Finding the Fourth Proportional to 22,117.20, 33,175.80 and 12,251.40

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Solution

The fourth proportional to 22,117.20, 33,175.80 and 12,251.40 is: 18,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.20 : 33,175.80 = 12,251.40 : x
  2. Step 2: Convert to fraction form
    22,117.20/33,175.80 = 12,251.40/x
  3. Step 3: Cross multiply
    22,117.20x = 33,175.80 × 12,251.40
  4. Step 4: Simplify right side
    22,117.20x = 406,449,996.12
  5. Step 5: Solve for x
    x = 406,449,996.12/22,117.20
  6. Step 6: Final answer
    x = 18,377.10

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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.