Home / 18,072.20-27,110.84-8,213.96

Finding the Fourth Proportional to 18,072.20, 27,110.84 and 8,213.96

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Solution

The fourth proportional to 18,072.20, 27,110.84 and 8,213.96 is: 12,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.20 : 27,110.84 = 8,213.96 : x
  2. Step 2: Convert to fraction form
    18,072.20/27,110.84 = 8,213.96/x
  3. Step 3: Cross multiply
    18,072.20x = 27,110.84 × 8,213.96
  4. Step 4: Simplify right side
    18,072.20x = 222,687,355.33
  5. Step 5: Solve for x
    x = 222,687,355.33/18,072.20
  6. Step 6: Final answer
    x = 12,322.09

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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.