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Finding the Fourth Proportional to 17,012.81, 23,477.68 and 9,939.29

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Solution

The fourth proportional to 17,012.81, 23,477.68 and 9,939.29 is: 13,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012.81 : 23,477.68 = 9,939.29 : x
  2. Step 2: Convert to fraction form
    17,012.81/23,477.68 = 9,939.29/x
  3. Step 3: Cross multiply
    17,012.81x = 23,477.68 × 9,939.29
  4. Step 4: Simplify right side
    17,012.81x = 233,351,365.08
  5. Step 5: Solve for x
    x = 233,351,365.08/17,012.81
  6. Step 6: Final answer
    x = 13,716.21

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