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Finding the Fourth Proportional to 9,958.12, 13,739.16 and 5,765.56

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Solution

The fourth proportional to 9,958.12, 13,739.16 and 5,765.56 is: 7,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.12 : 13,739.16 = 5,765.56 : x
  2. Step 2: Convert to fraction form
    9,958.12/13,739.16 = 5,765.56/x
  3. Step 3: Cross multiply
    9,958.12x = 13,739.16 × 5,765.56
  4. Step 4: Simplify right side
    9,958.12x = 79,213,951.33
  5. Step 5: Solve for x
    x = 79,213,951.33/9,958.12
  6. Step 6: Final answer
    x = 7,954.71

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