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Finding the Fourth Proportional to 13,955.01, 20,932.41 and 5,629.14

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Solution

The fourth proportional to 13,955.01, 20,932.41 and 5,629.14 is: 8,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.01 : 20,932.41 = 5,629.14 : x
  2. Step 2: Convert to fraction form
    13,955.01/20,932.41 = 5,629.14/x
  3. Step 3: Cross multiply
    13,955.01x = 20,932.41 × 5,629.14
  4. Step 4: Simplify right side
    13,955.01x = 117,831,466.43
  5. Step 5: Solve for x
    x = 117,831,466.43/13,955.01
  6. Step 6: Final answer
    x = 8,443.67

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