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Finding the Fourth Proportional to 11,612.05, 16,028.46 and 6,831.95

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Solution

The fourth proportional to 11,612.05, 16,028.46 and 6,831.95 is: 9,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.05 : 16,028.46 = 6,831.95 : x
  2. Step 2: Convert to fraction form
    11,612.05/16,028.46 = 6,831.95/x
  3. Step 3: Cross multiply
    11,612.05x = 16,028.46 × 6,831.95
  4. Step 4: Simplify right side
    11,612.05x = 109,505,557.15
  5. Step 5: Solve for x
    x = 109,505,557.15/11,612.05
  6. Step 6: Final answer
    x = 9,430.34

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