Home / 22,249.20-33,373.80-11,881.20

Finding the Fourth Proportional to 22,249.20, 33,373.80 and 11,881.20

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Solution

The fourth proportional to 22,249.20, 33,373.80 and 11,881.20 is: 17,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249.20 : 33,373.80 = 11,881.20 : x
  2. Step 2: Convert to fraction form
    22,249.20/33,373.80 = 11,881.20/x
  3. Step 3: Cross multiply
    22,249.20x = 33,373.80 × 11,881.20
  4. Step 4: Simplify right side
    22,249.20x = 396,520,792.56
  5. Step 5: Solve for x
    x = 396,520,792.56/22,249.20
  6. Step 6: Final answer
    x = 17,821.80

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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.