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Finding the Fourth Proportional to 12,269.75, 16,932.32 and 6,964.65

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Solution

The fourth proportional to 12,269.75, 16,932.32 and 6,964.65 is: 9,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.75 : 16,932.32 = 6,964.65 : x
  2. Step 2: Convert to fraction form
    12,269.75/16,932.32 = 6,964.65/x
  3. Step 3: Cross multiply
    12,269.75x = 16,932.32 × 6,964.65
  4. Step 4: Simplify right side
    12,269.75x = 117,927,647.66
  5. Step 5: Solve for x
    x = 117,927,647.66/12,269.75
  6. Step 6: Final answer
    x = 9,611.25

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