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Finding the Fourth Proportional to 13,390.52, 20,048.64 and 10,093.76

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Solution

The fourth proportional to 13,390.52, 20,048.64 and 10,093.76 is: 15,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.52 : 20,048.64 = 10,093.76 : x
  2. Step 2: Convert to fraction form
    13,390.52/20,048.64 = 10,093.76/x
  3. Step 3: Cross multiply
    13,390.52x = 20,048.64 × 10,093.76
  4. Step 4: Simplify right side
    13,390.52x = 202,366,160.49
  5. Step 5: Solve for x
    x = 202,366,160.49/13,390.52
  6. Step 6: Final answer
    x = 15,112.64

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