Home / 8,447.15-12,654.32-4,067.69

Finding the Fourth Proportional to 8,447.15, 12,654.32 and 4,067.69

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Solution

The fourth proportional to 8,447.15, 12,654.32 and 4,067.69 is: 6,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.15 : 12,654.32 = 4,067.69 : x
  2. Step 2: Convert to fraction form
    8,447.15/12,654.32 = 4,067.69/x
  3. Step 3: Cross multiply
    8,447.15x = 12,654.32 × 4,067.69
  4. Step 4: Simplify right side
    8,447.15x = 51,473,767.31
  5. Step 5: Solve for x
    x = 51,473,767.31/8,447.15
  6. Step 6: Final answer
    x = 6,093.63

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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.