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Finding the Fourth Proportional to 11,952.64, 17,929.02 and 3,632.73

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Solution

The fourth proportional to 11,952.64, 17,929.02 and 3,632.73 is: 5,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.64 : 17,929.02 = 3,632.73 : x
  2. Step 2: Convert to fraction form
    11,952.64/17,929.02 = 3,632.73/x
  3. Step 3: Cross multiply
    11,952.64x = 17,929.02 × 3,632.73
  4. Step 4: Simplify right side
    11,952.64x = 65,131,288.82
  5. Step 5: Solve for x
    x = 65,131,288.82/11,952.64
  6. Step 6: Final answer
    x = 5,449.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.