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Finding the Fourth Proportional to 12,200.68, 16,836.96 and 6,895.52

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Solution

The fourth proportional to 12,200.68, 16,836.96 and 6,895.52 is: 9,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.68 : 16,836.96 = 6,895.52 : x
  2. Step 2: Convert to fraction form
    12,200.68/16,836.96 = 6,895.52/x
  3. Step 3: Cross multiply
    12,200.68x = 16,836.96 × 6,895.52
  4. Step 4: Simplify right side
    12,200.68x = 116,099,594.42
  5. Step 5: Solve for x
    x = 116,099,594.42/12,200.68
  6. Step 6: Final answer
    x = 9,515.83

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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.