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Finding the Fourth Proportional to 12,385.44, 17,091.72 and 6,796.44

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Solution

The fourth proportional to 12,385.44, 17,091.72 and 6,796.44 is: 9,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.44 : 17,091.72 = 6,796.44 : x
  2. Step 2: Convert to fraction form
    12,385.44/17,091.72 = 6,796.44/x
  3. Step 3: Cross multiply
    12,385.44x = 17,091.72 × 6,796.44
  4. Step 4: Simplify right side
    12,385.44x = 116,162,849.48
  5. Step 5: Solve for x
    x = 116,162,849.48/12,385.44
  6. Step 6: Final answer
    x = 9,378.98

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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.