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Finding the Fourth Proportional to 9,750.44, 13,455.55 and 5,274.16

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Solution

The fourth proportional to 9,750.44, 13,455.55 and 5,274.16 is: 7,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,750.44 : 13,455.55 = 5,274.16 : x
  2. Step 2: Convert to fraction form
    9,750.44/13,455.55 = 5,274.16/x
  3. Step 3: Cross multiply
    9,750.44x = 13,455.55 × 5,274.16
  4. Step 4: Simplify right side
    9,750.44x = 70,966,723.59
  5. Step 5: Solve for x
    x = 70,966,723.59/9,750.44
  6. Step 6: Final answer
    x = 7,278.31

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