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Finding the Fourth Proportional to 18,470.23, 27,699.47 and 5,987.32

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Solution

The fourth proportional to 18,470.23, 27,699.47 and 5,987.32 is: 8,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.23 : 27,699.47 = 5,987.32 : x
  2. Step 2: Convert to fraction form
    18,470.23/27,699.47 = 5,987.32/x
  3. Step 3: Cross multiply
    18,470.23x = 27,699.47 × 5,987.32
  4. Step 4: Simplify right side
    18,470.23x = 165,845,513.99
  5. Step 5: Solve for x
    x = 165,845,513.99/18,470.23
  6. Step 6: Final answer
    x = 8,979.07

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