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Finding the Fourth Proportional to 18,470.48, 27,705.78 and 4,619.48

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Solution

The fourth proportional to 18,470.48, 27,705.78 and 4,619.48 is: 6,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.48 : 27,705.78 = 4,619.48 : x
  2. Step 2: Convert to fraction form
    18,470.48/27,705.78 = 4,619.48/x
  3. Step 3: Cross multiply
    18,470.48x = 27,705.78 × 4,619.48
  4. Step 4: Simplify right side
    18,470.48x = 127,986,296.59
  5. Step 5: Solve for x
    x = 127,986,296.59/18,470.48
  6. Step 6: Final answer
    x = 6,929.24

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