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Finding the Fourth Proportional to 13,660.71, 20,482.58 and 5,759.16

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Solution

The fourth proportional to 13,660.71, 20,482.58 and 5,759.16 is: 8,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.71 : 20,482.58 = 5,759.16 : x
  2. Step 2: Convert to fraction form
    13,660.71/20,482.58 = 5,759.16/x
  3. Step 3: Cross multiply
    13,660.71x = 20,482.58 × 5,759.16
  4. Step 4: Simplify right side
    13,660.71x = 117,962,426.64
  5. Step 5: Solve for x
    x = 117,962,426.64/13,660.71
  6. Step 6: Final answer
    x = 8,635.16

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