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Finding the Fourth Proportional to 11,153.62, 15,398.67 and 6,967.54

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Solution

The fourth proportional to 11,153.62, 15,398.67 and 6,967.54 is: 9,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.62 : 15,398.67 = 6,967.54 : x
  2. Step 2: Convert to fraction form
    11,153.62/15,398.67 = 6,967.54/x
  3. Step 3: Cross multiply
    11,153.62x = 15,398.67 × 6,967.54
  4. Step 4: Simplify right side
    11,153.62x = 107,290,849.17
  5. Step 5: Solve for x
    x = 107,290,849.17/11,153.62
  6. Step 6: Final answer
    x = 9,619.37

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