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Finding the Fourth Proportional to 13,167.75, 19,751.63 and 3,933.75

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Solution

The fourth proportional to 13,167.75, 19,751.63 and 3,933.75 is: 5,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.75 : 19,751.63 = 3,933.75 : x
  2. Step 2: Convert to fraction form
    13,167.75/19,751.63 = 3,933.75/x
  3. Step 3: Cross multiply
    13,167.75x = 19,751.63 × 3,933.75
  4. Step 4: Simplify right side
    13,167.75x = 77,697,954.84
  5. Step 5: Solve for x
    x = 77,697,954.84/13,167.75
  6. Step 6: Final answer
    x = 5,900.63

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