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Finding the Fourth Proportional to 11,778.23, 16,253.66 and 6,742.13

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Solution

The fourth proportional to 11,778.23, 16,253.66 and 6,742.13 is: 9,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.23 : 16,253.66 = 6,742.13 : x
  2. Step 2: Convert to fraction form
    11,778.23/16,253.66 = 6,742.13/x
  3. Step 3: Cross multiply
    11,778.23x = 16,253.66 × 6,742.13
  4. Step 4: Simplify right side
    11,778.23x = 109,584,173.72
  5. Step 5: Solve for x
    x = 109,584,173.72/11,778.23
  6. Step 6: Final answer
    x = 9,303.96

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