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Finding the Fourth Proportional to 13,798.08, 20,693.21 and 3,934.71

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Solution

The fourth proportional to 13,798.08, 20,693.21 and 3,934.71 is: 5,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.08 : 20,693.21 = 3,934.71 : x
  2. Step 2: Convert to fraction form
    13,798.08/20,693.21 = 3,934.71/x
  3. Step 3: Cross multiply
    13,798.08x = 20,693.21 × 3,934.71
  4. Step 4: Simplify right side
    13,798.08x = 81,421,760.65
  5. Step 5: Solve for x
    x = 81,421,760.65/13,798.08
  6. Step 6: Final answer
    x = 5,900.95

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