Home / 13,767.23-20,651.63-3,905.73

Finding the Fourth Proportional to 13,767.23, 20,651.63 and 3,905.73

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Solution

The fourth proportional to 13,767.23, 20,651.63 and 3,905.73 is: 5,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.23 : 20,651.63 = 3,905.73 : x
  2. Step 2: Convert to fraction form
    13,767.23/20,651.63 = 3,905.73/x
  3. Step 3: Cross multiply
    13,767.23x = 20,651.63 × 3,905.73
  4. Step 4: Simplify right side
    13,767.23x = 80,659,690.84
  5. Step 5: Solve for x
    x = 80,659,690.84/13,767.23
  6. Step 6: Final answer
    x = 5,858.82

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