Home / 8,685.12-13,021.19-4,067.04

Finding the Fourth Proportional to 8,685.12, 13,021.19 and 4,067.04

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Solution

The fourth proportional to 8,685.12, 13,021.19 and 4,067.04 is: 6,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.12 : 13,021.19 = 4,067.04 : x
  2. Step 2: Convert to fraction form
    8,685.12/13,021.19 = 4,067.04/x
  3. Step 3: Cross multiply
    8,685.12x = 13,021.19 × 4,067.04
  4. Step 4: Simplify right side
    8,685.12x = 52,957,645.64
  5. Step 5: Solve for x
    x = 52,957,645.64/8,685.12
  6. Step 6: Final answer
    x = 6,097.52

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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.