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Finding the Fourth Proportional to 12.95, 19.44 and 6.94

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Solution

The fourth proportional to 12.95, 19.44 and 6.94 is: 10.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.95 : 19.44 = 6.94 : x
  2. Step 2: Convert to fraction form
    12.95/19.44 = 6.94/x
  3. Step 3: Cross multiply
    12.95x = 19.44 × 6.94
  4. Step 4: Simplify right side
    12.95x = 134.87
  5. Step 5: Solve for x
    x = 134.87/12.95
  6. Step 6: Final answer
    x = 10.42

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