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Finding the Fourth Proportional to 12.62, 18.93 and 9.95

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Solution

The fourth proportional to 12.62, 18.93 and 9.95 is: 14.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.62 : 18.93 = 9.95 : x
  2. Step 2: Convert to fraction form
    12.62/18.93 = 9.95/x
  3. Step 3: Cross multiply
    12.62x = 18.93 × 9.95
  4. Step 4: Simplify right side
    12.62x = 188.26
  5. Step 5: Solve for x
    x = 188.26/12.62
  6. Step 6: Final answer
    x = 14.92

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