Home / 18,649.14-27,934.82-8,268.18

Finding the Fourth Proportional to 18,649.14, 27,934.82 and 8,268.18

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Solution

The fourth proportional to 18,649.14, 27,934.82 and 8,268.18 is: 12,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.14 : 27,934.82 = 8,268.18 : x
  2. Step 2: Convert to fraction form
    18,649.14/27,934.82 = 8,268.18/x
  3. Step 3: Cross multiply
    18,649.14x = 27,934.82 × 8,268.18
  4. Step 4: Simplify right side
    18,649.14x = 230,970,120.03
  5. Step 5: Solve for x
    x = 230,970,120.03/18,649.14
  6. Step 6: Final answer
    x = 12,385.03

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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.