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Finding the Fourth Proportional to 11,166.80, 16,750.20 and 9,741.20

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Solution

The fourth proportional to 11,166.80, 16,750.20 and 9,741.20 is: 14,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.80 : 16,750.20 = 9,741.20 : x
  2. Step 2: Convert to fraction form
    11,166.80/16,750.20 = 9,741.20/x
  3. Step 3: Cross multiply
    11,166.80x = 16,750.20 × 9,741.20
  4. Step 4: Simplify right side
    11,166.80x = 163,167,048.24
  5. Step 5: Solve for x
    x = 163,167,048.24/11,166.80
  6. Step 6: Final answer
    x = 14,611.80

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