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Finding the Fourth Proportional to 13,756, 20,634 and 7,600

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Solution

The fourth proportional to 13,756, 20,634 and 7,600 is: 11,400

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756 : 20,634 = 7,600 : x
  2. Step 2: Convert to fraction form
    13,756/20,634 = 7,600/x
  3. Step 3: Cross multiply
    13,756x = 20,634 × 7,600
  4. Step 4: Simplify right side
    13,756x = 156,818,400
  5. Step 5: Solve for x
    x = 156,818,400/13,756
  6. Step 6: Final answer
    x = 11,400

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