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Finding the Fourth Proportional to 11,914.70, 16,442.28 and 6,609.51

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Solution

The fourth proportional to 11,914.70, 16,442.28 and 6,609.51 is: 9,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.70 : 16,442.28 = 6,609.51 : x
  2. Step 2: Convert to fraction form
    11,914.70/16,442.28 = 6,609.51/x
  3. Step 3: Cross multiply
    11,914.70x = 16,442.28 × 6,609.51
  4. Step 4: Simplify right side
    11,914.70x = 108,675,414.08
  5. Step 5: Solve for x
    x = 108,675,414.08/11,914.70
  6. Step 6: Final answer
    x = 9,121.12

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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.