Home / 16,979.38-25,469.75-8,090.14

Finding the Fourth Proportional to 16,979.38, 25,469.75 and 8,090.14

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Solution

The fourth proportional to 16,979.38, 25,469.75 and 8,090.14 is: 12,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.38 : 25,469.75 = 8,090.14 : x
  2. Step 2: Convert to fraction form
    16,979.38/25,469.75 = 8,090.14/x
  3. Step 3: Cross multiply
    16,979.38x = 25,469.75 × 8,090.14
  4. Step 4: Simplify right side
    16,979.38x = 206,053,843.27
  5. Step 5: Solve for x
    x = 206,053,843.27/16,979.38
  6. Step 6: Final answer
    x = 12,135.53

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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.