Home / 22,515.20-33,755.52-11,412.80

Finding the Fourth Proportional to 22,515.20, 33,755.52 and 11,412.80

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Solution

The fourth proportional to 22,515.20, 33,755.52 and 11,412.80 is: 17,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.20 : 33,755.52 = 11,412.80 : x
  2. Step 2: Convert to fraction form
    22,515.20/33,755.52 = 11,412.80/x
  3. Step 3: Cross multiply
    22,515.20x = 33,755.52 × 11,412.80
  4. Step 4: Simplify right side
    22,515.20x = 385,244,998.66
  5. Step 5: Solve for x
    x = 385,244,998.66/22,515.20
  6. Step 6: Final answer
    x = 17,110.44

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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.