Home / 22,122.26-33,105.42-13,806.20

Finding the Fourth Proportional to 22,122.26, 33,105.42 and 13,806.20

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Solution

The fourth proportional to 22,122.26, 33,105.42 and 13,806.20 is: 20,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.26 : 33,105.42 = 13,806.20 : x
  2. Step 2: Convert to fraction form
    22,122.26/33,105.42 = 13,806.20/x
  3. Step 3: Cross multiply
    22,122.26x = 33,105.42 × 13,806.20
  4. Step 4: Simplify right side
    22,122.26x = 457,060,049.60
  5. Step 5: Solve for x
    x = 457,060,049.60/22,122.26
  6. Step 6: Final answer
    x = 20,660.64

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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.