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Finding the Fourth Proportional to 11,957.04, 16,500.96 and 6,651.72

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Solution

The fourth proportional to 11,957.04, 16,500.96 and 6,651.72 is: 9,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.04 : 16,500.96 = 6,651.72 : x
  2. Step 2: Convert to fraction form
    11,957.04/16,500.96 = 6,651.72/x
  3. Step 3: Cross multiply
    11,957.04x = 16,500.96 × 6,651.72
  4. Step 4: Simplify right side
    11,957.04x = 109,759,765.65
  5. Step 5: Solve for x
    x = 109,759,765.65/11,957.04
  6. Step 6: Final answer
    x = 9,179.51

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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.