Home / 12,067.10-18,092.55-5,489.90

Finding the Fourth Proportional to 12,067.10, 18,092.55 and 5,489.90

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Solution

The fourth proportional to 12,067.10, 18,092.55 and 5,489.90 is: 8,231.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.10 : 18,092.55 = 5,489.90 : x
  2. Step 2: Convert to fraction form
    12,067.10/18,092.55 = 5,489.90/x
  3. Step 3: Cross multiply
    12,067.10x = 18,092.55 × 5,489.90
  4. Step 4: Simplify right side
    12,067.10x = 99,326,290.25
  5. Step 5: Solve for x
    x = 99,326,290.25/12,067.10
  6. Step 6: Final answer
    x = 8,231.16

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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.