Home / 22,305.60-33,429.20-11,224.80

Finding the Fourth Proportional to 22,305.60, 33,429.20 and 11,224.80

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Solution

The fourth proportional to 22,305.60, 33,429.20 and 11,224.80 is: 16,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.60 : 33,429.20 = 11,224.80 : x
  2. Step 2: Convert to fraction form
    22,305.60/33,429.20 = 11,224.80/x
  3. Step 3: Cross multiply
    22,305.60x = 33,429.20 × 11,224.80
  4. Step 4: Simplify right side
    22,305.60x = 375,236,084.16
  5. Step 5: Solve for x
    x = 375,236,084.16/22,305.60
  6. Step 6: Final answer
    x = 16,822.51

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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.