Home / 12,517.29-18,764.99-6,268.55

Finding the Fourth Proportional to 12,517.29, 18,764.99 and 6,268.55

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Solution

The fourth proportional to 12,517.29, 18,764.99 and 6,268.55 is: 9,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.29 : 18,764.99 = 6,268.55 : x
  2. Step 2: Convert to fraction form
    12,517.29/18,764.99 = 6,268.55/x
  3. Step 3: Cross multiply
    12,517.29x = 18,764.99 × 6,268.55
  4. Step 4: Simplify right side
    12,517.29x = 117,629,152.90
  5. Step 5: Solve for x
    x = 117,629,152.90/12,517.29
  6. Step 6: Final answer
    x = 9,397.33

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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.