Home / 17,998.59-27,002.13-8,137.85

Finding the Fourth Proportional to 17,998.59, 27,002.13 and 8,137.85

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Solution

The fourth proportional to 17,998.59, 27,002.13 and 8,137.85 is: 12,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.59 : 27,002.13 = 8,137.85 : x
  2. Step 2: Convert to fraction form
    17,998.59/27,002.13 = 8,137.85/x
  3. Step 3: Cross multiply
    17,998.59x = 27,002.13 × 8,137.85
  4. Step 4: Simplify right side
    17,998.59x = 219,739,283.62
  5. Step 5: Solve for x
    x = 219,739,283.62/17,998.59
  6. Step 6: Final answer
    x = 12,208.69

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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.