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Finding the Fourth Proportional to 12,069.51, 16,654.32 and 6,764.42

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Solution

The fourth proportional to 12,069.51, 16,654.32 and 6,764.42 is: 9,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.51 : 16,654.32 = 6,764.42 : x
  2. Step 2: Convert to fraction form
    12,069.51/16,654.32 = 6,764.42/x
  3. Step 3: Cross multiply
    12,069.51x = 16,654.32 × 6,764.42
  4. Step 4: Simplify right side
    12,069.51x = 112,656,732.02
  5. Step 5: Solve for x
    x = 112,656,732.02/12,069.51
  6. Step 6: Final answer
    x = 9,333.99

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