Home / 22,231.20-33,346.80-11,863.20

Finding the Fourth Proportional to 22,231.20, 33,346.80 and 11,863.20

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Solution

The fourth proportional to 22,231.20, 33,346.80 and 11,863.20 is: 17,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231.20 : 33,346.80 = 11,863.20 : x
  2. Step 2: Convert to fraction form
    22,231.20/33,346.80 = 11,863.20/x
  3. Step 3: Cross multiply
    22,231.20x = 33,346.80 × 11,863.20
  4. Step 4: Simplify right side
    22,231.20x = 395,599,757.76
  5. Step 5: Solve for x
    x = 395,599,757.76/22,231.20
  6. Step 6: Final answer
    x = 17,794.80

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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.