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Finding the Fourth Proportional to 11,949.56, 16,490.35 and 6,644.37

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Solution

The fourth proportional to 11,949.56, 16,490.35 and 6,644.37 is: 9,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.56 : 16,490.35 = 6,644.37 : x
  2. Step 2: Convert to fraction form
    11,949.56/16,490.35 = 6,644.37/x
  3. Step 3: Cross multiply
    11,949.56x = 16,490.35 × 6,644.37
  4. Step 4: Simplify right side
    11,949.56x = 109,567,953.61
  5. Step 5: Solve for x
    x = 109,567,953.61/11,949.56
  6. Step 6: Final answer
    x = 9,169.21

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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.