Home / 18,149.43-27,165.86-9,694.80

Finding the Fourth Proportional to 18,149.43, 27,165.86 and 9,694.80

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Solution

The fourth proportional to 18,149.43, 27,165.86 and 9,694.80 is: 14,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.43 : 27,165.86 = 9,694.80 : x
  2. Step 2: Convert to fraction form
    18,149.43/27,165.86 = 9,694.80/x
  3. Step 3: Cross multiply
    18,149.43x = 27,165.86 × 9,694.80
  4. Step 4: Simplify right side
    18,149.43x = 263,367,531.05
  5. Step 5: Solve for x
    x = 263,367,531.05/18,149.43
  6. Step 6: Final answer
    x = 14,511.06

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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.