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Finding the Fourth Proportional to 12,633.51, 18,950.25 and 4,309.32

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Solution

The fourth proportional to 12,633.51, 18,950.25 and 4,309.32 is: 6,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.51 : 18,950.25 = 4,309.32 : x
  2. Step 2: Convert to fraction form
    12,633.51/18,950.25 = 4,309.32/x
  3. Step 3: Cross multiply
    12,633.51x = 18,950.25 × 4,309.32
  4. Step 4: Simplify right side
    12,633.51x = 81,662,691.33
  5. Step 5: Solve for x
    x = 81,662,691.33/12,633.51
  6. Step 6: Final answer
    x = 6,463.97

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