Home / 8,715.45-13,067.39-3,168.13

Finding the Fourth Proportional to 8,715.45, 13,067.39 and 3,168.13

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Solution

The fourth proportional to 8,715.45, 13,067.39 and 3,168.13 is: 4,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.45 : 13,067.39 = 3,168.13 : x
  2. Step 2: Convert to fraction form
    8,715.45/13,067.39 = 3,168.13/x
  3. Step 3: Cross multiply
    8,715.45x = 13,067.39 × 3,168.13
  4. Step 4: Simplify right side
    8,715.45x = 41,399,190.28
  5. Step 5: Solve for x
    x = 41,399,190.28/8,715.45
  6. Step 6: Final answer
    x = 4,750.09

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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.