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Finding the Fourth Proportional to 13,908, 20,862 and 4,674

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Solution

The fourth proportional to 13,908, 20,862 and 4,674 is: 7,011

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908 : 20,862 = 4,674 : x
  2. Step 2: Convert to fraction form
    13,908/20,862 = 4,674/x
  3. Step 3: Cross multiply
    13,908x = 20,862 × 4,674
  4. Step 4: Simplify right side
    13,908x = 97,508,988
  5. Step 5: Solve for x
    x = 97,508,988/13,908
  6. Step 6: Final answer
    x = 7,011

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