Home / 18,232.20-27,305.10-11,233.80

Finding the Fourth Proportional to 18,232.20, 27,305.10 and 11,233.80

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Solution

The fourth proportional to 18,232.20, 27,305.10 and 11,233.80 is: 16,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.20 : 27,305.10 = 11,233.80 : x
  2. Step 2: Convert to fraction form
    18,232.20/27,305.10 = 11,233.80/x
  3. Step 3: Cross multiply
    18,232.20x = 27,305.10 × 11,233.80
  4. Step 4: Simplify right side
    18,232.20x = 306,740,032.38
  5. Step 5: Solve for x
    x = 306,740,032.38/18,232.20
  6. Step 6: Final answer
    x = 16,824.08

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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.