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Finding the Fourth Proportional to 13,749.44, 20,632.80 and 5,541.44

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Solution

The fourth proportional to 13,749.44, 20,632.80 and 5,541.44 is: 8,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.44 : 20,632.80 = 5,541.44 : x
  2. Step 2: Convert to fraction form
    13,749.44/20,632.80 = 5,541.44/x
  3. Step 3: Cross multiply
    13,749.44x = 20,632.80 × 5,541.44
  4. Step 4: Simplify right side
    13,749.44x = 114,335,423.23
  5. Step 5: Solve for x
    x = 114,335,423.23/13,749.44
  6. Step 6: Final answer
    x = 8,315.64

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