Home / 18,198.08-27,285.24-7,105.84

Finding the Fourth Proportional to 18,198.08, 27,285.24 and 7,105.84

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Solution

The fourth proportional to 18,198.08, 27,285.24 and 7,105.84 is: 10,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.08 : 27,285.24 = 7,105.84 : x
  2. Step 2: Convert to fraction form
    18,198.08/27,285.24 = 7,105.84/x
  3. Step 3: Cross multiply
    18,198.08x = 27,285.24 × 7,105.84
  4. Step 4: Simplify right side
    18,198.08x = 193,884,549.80
  5. Step 5: Solve for x
    x = 193,884,549.80/18,198.08
  6. Step 6: Final answer
    x = 10,654.12

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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.