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Finding the Fourth Proportional to 13,821.52, 19,073.18 and 7,533.76

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Solution

The fourth proportional to 13,821.52, 19,073.18 and 7,533.76 is: 10,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.52 : 19,073.18 = 7,533.76 : x
  2. Step 2: Convert to fraction form
    13,821.52/19,073.18 = 7,533.76/x
  3. Step 3: Cross multiply
    13,821.52x = 19,073.18 × 7,533.76
  4. Step 4: Simplify right side
    13,821.52x = 143,692,760.56
  5. Step 5: Solve for x
    x = 143,692,760.56/13,821.52
  6. Step 6: Final answer
    x = 10,396.31

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