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Finding the Fourth Proportional to 11,673.10, 16,108.80 and 6,367.78

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Solution

The fourth proportional to 11,673.10, 16,108.80 and 6,367.78 is: 8,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.10 : 16,108.80 = 6,367.78 : x
  2. Step 2: Convert to fraction form
    11,673.10/16,108.80 = 6,367.78/x
  3. Step 3: Cross multiply
    11,673.10x = 16,108.80 × 6,367.78
  4. Step 4: Simplify right side
    11,673.10x = 102,577,294.46
  5. Step 5: Solve for x
    x = 102,577,294.46/11,673.10
  6. Step 6: Final answer
    x = 8,787.49

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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.