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Finding the Fourth Proportional to 18,619.70, 27,933.46 and 5,470.96

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Solution

The fourth proportional to 18,619.70, 27,933.46 and 5,470.96 is: 8,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619.70 : 27,933.46 = 5,470.96 : x
  2. Step 2: Convert to fraction form
    18,619.70/27,933.46 = 5,470.96/x
  3. Step 3: Cross multiply
    18,619.70x = 27,933.46 × 5,470.96
  4. Step 4: Simplify right side
    18,619.70x = 152,822,842.32
  5. Step 5: Solve for x
    x = 152,822,842.32/18,619.70
  6. Step 6: Final answer
    x = 8,207.59

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