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Finding the Fourth Proportional to 12,316.51, 18,476.79 and 6,076.81

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Solution

The fourth proportional to 12,316.51, 18,476.79 and 6,076.81 is: 9,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.51 : 18,476.79 = 6,076.81 : x
  2. Step 2: Convert to fraction form
    12,316.51/18,476.79 = 6,076.81/x
  3. Step 3: Cross multiply
    12,316.51x = 18,476.79 × 6,076.81
  4. Step 4: Simplify right side
    12,316.51x = 112,279,942.24
  5. Step 5: Solve for x
    x = 112,279,942.24/12,316.51
  6. Step 6: Final answer
    x = 9,116.21

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