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Finding the Fourth Proportional to 13.33, 19.95 and 11.05

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Solution

The fourth proportional to 13.33, 19.95 and 11.05 is: 16.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.33 : 19.95 = 11.05 : x
  2. Step 2: Convert to fraction form
    13.33/19.95 = 11.05/x
  3. Step 3: Cross multiply
    13.33x = 19.95 × 11.05
  4. Step 4: Simplify right side
    13.33x = 220.45
  5. Step 5: Solve for x
    x = 220.45/13.33
  6. Step 6: Final answer
    x = 16.54

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