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Finding the Fourth Proportional to 12,168.98, 16,792.86 and 6,863.48

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Solution

The fourth proportional to 12,168.98, 16,792.86 and 6,863.48 is: 9,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.98 : 16,792.86 = 6,863.48 : x
  2. Step 2: Convert to fraction form
    12,168.98/16,792.86 = 6,863.48/x
  3. Step 3: Cross multiply
    12,168.98x = 16,792.86 × 6,863.48
  4. Step 4: Simplify right side
    12,168.98x = 115,257,458.75
  5. Step 5: Solve for x
    x = 115,257,458.75/12,168.98
  6. Step 6: Final answer
    x = 9,471.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.