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Finding the Fourth Proportional to 13,305.84, 18,352.41 and 9,049.34

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Solution

The fourth proportional to 13,305.84, 18,352.41 and 9,049.34 is: 12,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.84 : 18,352.41 = 9,049.34 : x
  2. Step 2: Convert to fraction form
    13,305.84/18,352.41 = 9,049.34/x
  3. Step 3: Cross multiply
    13,305.84x = 18,352.41 × 9,049.34
  4. Step 4: Simplify right side
    13,305.84x = 166,077,060.90
  5. Step 5: Solve for x
    x = 166,077,060.90/13,305.84
  6. Step 6: Final answer
    x = 12,481.52

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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.