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Finding the Fourth Proportional to 12,266.87, 16,933.97 and 7,229.39

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Solution

The fourth proportional to 12,266.87, 16,933.97 and 7,229.39 is: 9,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.87 : 16,933.97 = 7,229.39 : x
  2. Step 2: Convert to fraction form
    12,266.87/16,933.97 = 7,229.39/x
  3. Step 3: Cross multiply
    12,266.87x = 16,933.97 × 7,229.39
  4. Step 4: Simplify right side
    12,266.87x = 122,422,206.78
  5. Step 5: Solve for x
    x = 122,422,206.78/12,266.87
  6. Step 6: Final answer
    x = 9,979.91

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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.