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Finding the Fourth Proportional to 18,745.81, 28,114.89 and 6,895.51

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Solution

The fourth proportional to 18,745.81, 28,114.89 and 6,895.51 is: 10,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.81 : 28,114.89 = 6,895.51 : x
  2. Step 2: Convert to fraction form
    18,745.81/28,114.89 = 6,895.51/x
  3. Step 3: Cross multiply
    18,745.81x = 28,114.89 × 6,895.51
  4. Step 4: Simplify right side
    18,745.81x = 193,866,505.14
  5. Step 5: Solve for x
    x = 193,866,505.14/18,745.81
  6. Step 6: Final answer
    x = 10,341.86

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