Home / 22,141.20-33,213.42-8,990.04

Finding the Fourth Proportional to 22,141.20, 33,213.42 and 8,990.04

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Solution

The fourth proportional to 22,141.20, 33,213.42 and 8,990.04 is: 13,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,141.20 : 33,213.42 = 8,990.04 : x
  2. Step 2: Convert to fraction form
    22,141.20/33,213.42 = 8,990.04/x
  3. Step 3: Cross multiply
    22,141.20x = 33,213.42 × 8,990.04
  4. Step 4: Simplify right side
    22,141.20x = 298,589,974.34
  5. Step 5: Solve for x
    x = 298,589,974.34/22,141.20
  6. Step 6: Final answer
    x = 13,485.72

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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.