Home / 18,198.54-27,299.79-5,718.96

Finding the Fourth Proportional to 18,198.54, 27,299.79 and 5,718.96

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Solution

The fourth proportional to 18,198.54, 27,299.79 and 5,718.96 is: 8,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.54 : 27,299.79 = 5,718.96 : x
  2. Step 2: Convert to fraction form
    18,198.54/27,299.79 = 5,718.96/x
  3. Step 3: Cross multiply
    18,198.54x = 27,299.79 × 5,718.96
  4. Step 4: Simplify right side
    18,198.54x = 156,126,407.02
  5. Step 5: Solve for x
    x = 156,126,407.02/18,198.54
  6. Step 6: Final answer
    x = 8,579.06

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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.