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Finding the Fourth Proportional to 16,009.92, 23,982.68 and 7,980.46

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Solution

The fourth proportional to 16,009.92, 23,982.68 and 7,980.46 is: 11,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,009.92 : 23,982.68 = 7,980.46 : x
  2. Step 2: Convert to fraction form
    16,009.92/23,982.68 = 7,980.46/x
  3. Step 3: Cross multiply
    16,009.92x = 23,982.68 × 7,980.46
  4. Step 4: Simplify right side
    16,009.92x = 191,392,818.43
  5. Step 5: Solve for x
    x = 191,392,818.43/16,009.92
  6. Step 6: Final answer
    x = 11,954.64

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