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Finding the Fourth Proportional to 19,518.75, 29,278.94 and 5,667.75

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Solution

The fourth proportional to 19,518.75, 29,278.94 and 5,667.75 is: 8,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.75 : 29,278.94 = 5,667.75 : x
  2. Step 2: Convert to fraction form
    19,518.75/29,278.94 = 5,667.75/x
  3. Step 3: Cross multiply
    19,518.75x = 29,278.94 × 5,667.75
  4. Step 4: Simplify right side
    19,518.75x = 165,945,683.85
  5. Step 5: Solve for x
    x = 165,945,683.85/19,518.75
  6. Step 6: Final answer
    x = 8,501.86

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