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Finding the Fourth Proportional to 19,918.76, 29,878.12 and 6,067.76

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Solution

The fourth proportional to 19,918.76, 29,878.12 and 6,067.76 is: 9,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.76 : 29,878.12 = 6,067.76 : x
  2. Step 2: Convert to fraction form
    19,918.76/29,878.12 = 6,067.76/x
  3. Step 3: Cross multiply
    19,918.76x = 29,878.12 × 6,067.76
  4. Step 4: Simplify right side
    19,918.76x = 181,293,261.41
  5. Step 5: Solve for x
    x = 181,293,261.41/19,918.76
  6. Step 6: Final answer
    x = 9,101.63

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