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Finding the Fourth Proportional to 13,465.73, 20,198.61 and 6,444.09

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Solution

The fourth proportional to 13,465.73, 20,198.61 and 6,444.09 is: 9,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.73 : 20,198.61 = 6,444.09 : x
  2. Step 2: Convert to fraction form
    13,465.73/20,198.61 = 6,444.09/x
  3. Step 3: Cross multiply
    13,465.73x = 20,198.61 × 6,444.09
  4. Step 4: Simplify right side
    13,465.73x = 130,161,660.71
  5. Step 5: Solve for x
    x = 130,161,660.71/13,465.73
  6. Step 6: Final answer
    x = 9,666.14

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