Home / 22,234.40-33,340.80-12,363.20

Finding the Fourth Proportional to 22,234.40, 33,340.80 and 12,363.20

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Solution

The fourth proportional to 22,234.40, 33,340.80 and 12,363.20 is: 18,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,234.40 : 33,340.80 = 12,363.20 : x
  2. Step 2: Convert to fraction form
    22,234.40/33,340.80 = 12,363.20/x
  3. Step 3: Cross multiply
    22,234.40x = 33,340.80 × 12,363.20
  4. Step 4: Simplify right side
    22,234.40x = 412,198,978.56
  5. Step 5: Solve for x
    x = 412,198,978.56/22,234.40
  6. Step 6: Final answer
    x = 18,538.79

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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.