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Finding the Fourth Proportional to 13,750.56, 18,975.84 and 7,462.92

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Solution

The fourth proportional to 13,750.56, 18,975.84 and 7,462.92 is: 10,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.56 : 18,975.84 = 7,462.92 : x
  2. Step 2: Convert to fraction form
    13,750.56/18,975.84 = 7,462.92/x
  3. Step 3: Cross multiply
    13,750.56x = 18,975.84 × 7,462.92
  4. Step 4: Simplify right side
    13,750.56x = 141,615,175.85
  5. Step 5: Solve for x
    x = 141,615,175.85/13,750.56
  6. Step 6: Final answer
    x = 10,298.87

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