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Finding the Fourth Proportional to 18,397.53, 27,596.79 and 5,918.81

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Solution

The fourth proportional to 18,397.53, 27,596.79 and 5,918.81 is: 8,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.53 : 27,596.79 = 5,918.81 : x
  2. Step 2: Convert to fraction form
    18,397.53/27,596.79 = 5,918.81/x
  3. Step 3: Cross multiply
    18,397.53x = 27,596.79 × 5,918.81
  4. Step 4: Simplify right side
    18,397.53x = 163,340,018.64
  5. Step 5: Solve for x
    x = 163,340,018.64/18,397.53
  6. Step 6: Final answer
    x = 8,878.37

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