Home / 18,382.13-27,573.19-7,993.88

Finding the Fourth Proportional to 18,382.13, 27,573.19 and 7,993.88

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Solution

The fourth proportional to 18,382.13, 27,573.19 and 7,993.88 is: 11,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.13 : 27,573.19 = 7,993.88 : x
  2. Step 2: Convert to fraction form
    18,382.13/27,573.19 = 7,993.88/x
  3. Step 3: Cross multiply
    18,382.13x = 27,573.19 × 7,993.88
  4. Step 4: Simplify right side
    18,382.13x = 220,416,772.08
  5. Step 5: Solve for x
    x = 220,416,772.08/18,382.13
  6. Step 6: Final answer
    x = 11,990.82

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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.