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Finding the Fourth Proportional to 11,633, 16,055.88 and 6,665

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Solution

The fourth proportional to 11,633, 16,055.88 and 6,665 is: 9,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,633 : 16,055.88 = 6,665 : x
  2. Step 2: Convert to fraction form
    11,633/16,055.88 = 6,665/x
  3. Step 3: Cross multiply
    11,633x = 16,055.88 × 6,665
  4. Step 4: Simplify right side
    11,633x = 107,012,440.20
  5. Step 5: Solve for x
    x = 107,012,440.20/11,633
  6. Step 6: Final answer
    x = 9,199.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.