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Finding the Fourth Proportional to 15.60, 23.34 and 12

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Solution

The fourth proportional to 15.60, 23.34 and 12 is: 17.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.60 : 23.34 = 12 : x
  2. Step 2: Convert to fraction form
    15.60/23.34 = 12/x
  3. Step 3: Cross multiply
    15.60x = 23.34 × 12
  4. Step 4: Simplify right side
    15.60x = 280.08
  5. Step 5: Solve for x
    x = 280.08/15.60
  6. Step 6: Final answer
    x = 17.95

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