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Finding the Fourth Proportional to 11,309.51, 16,964.01 and 3,913.52

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Solution

The fourth proportional to 11,309.51, 16,964.01 and 3,913.52 is: 5,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.51 : 16,964.01 = 3,913.52 : x
  2. Step 2: Convert to fraction form
    11,309.51/16,964.01 = 3,913.52/x
  3. Step 3: Cross multiply
    11,309.51x = 16,964.01 × 3,913.52
  4. Step 4: Simplify right side
    11,309.51x = 66,388,992.42
  5. Step 5: Solve for x
    x = 66,388,992.42/11,309.51
  6. Step 6: Final answer
    x = 5,870.19

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