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Finding the Fourth Proportional to 12,296.33, 16,968.89 and 6,991.15

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Solution

The fourth proportional to 12,296.33, 16,968.89 and 6,991.15 is: 9,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.33 : 16,968.89 = 6,991.15 : x
  2. Step 2: Convert to fraction form
    12,296.33/16,968.89 = 6,991.15/x
  3. Step 3: Cross multiply
    12,296.33x = 16,968.89 × 6,991.15
  4. Step 4: Simplify right side
    12,296.33x = 118,631,970.48
  5. Step 5: Solve for x
    x = 118,631,970.48/12,296.33
  6. Step 6: Final answer
    x = 9,647.75

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