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Finding the Fourth Proportional to 12,203.44, 16,854.58 and 8,217.62

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Solution

The fourth proportional to 12,203.44, 16,854.58 and 8,217.62 is: 11,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.44 : 16,854.58 = 8,217.62 : x
  2. Step 2: Convert to fraction form
    12,203.44/16,854.58 = 8,217.62/x
  3. Step 3: Cross multiply
    12,203.44x = 16,854.58 × 8,217.62
  4. Step 4: Simplify right side
    12,203.44x = 138,504,533.70
  5. Step 5: Solve for x
    x = 138,504,533.70/12,203.44
  6. Step 6: Final answer
    x = 11,349.63

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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.