Home / 22,318.20-33,490.97-8,988.75

Finding the Fourth Proportional to 22,318.20, 33,490.97 and 8,988.75

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Solution

The fourth proportional to 22,318.20, 33,490.97 and 8,988.75 is: 13,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.20 : 33,490.97 = 8,988.75 : x
  2. Step 2: Convert to fraction form
    22,318.20/33,490.97 = 8,988.75/x
  3. Step 3: Cross multiply
    22,318.20x = 33,490.97 × 8,988.75
  4. Step 4: Simplify right side
    22,318.20x = 301,042,062.79
  5. Step 5: Solve for x
    x = 301,042,062.79/22,318.20
  6. Step 6: Final answer
    x = 13,488.63

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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.