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Finding the Fourth Proportional to 14.02, 21.04 and 10.64

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Solution

The fourth proportional to 14.02, 21.04 and 10.64 is: 15.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.02 : 21.04 = 10.64 : x
  2. Step 2: Convert to fraction form
    14.02/21.04 = 10.64/x
  3. Step 3: Cross multiply
    14.02x = 21.04 × 10.64
  4. Step 4: Simplify right side
    14.02x = 223.87
  5. Step 5: Solve for x
    x = 223.87/14.02
  6. Step 6: Final answer
    x = 15.97

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