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Finding the Fourth Proportional to 11,843.52, 17,756.40 and 7,162.57

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Solution

The fourth proportional to 11,843.52, 17,756.40 and 7,162.57 is: 10,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.52 : 17,756.40 = 7,162.57 : x
  2. Step 2: Convert to fraction form
    11,843.52/17,756.40 = 7,162.57/x
  3. Step 3: Cross multiply
    11,843.52x = 17,756.40 × 7,162.57
  4. Step 4: Simplify right side
    11,843.52x = 127,181,457.95
  5. Step 5: Solve for x
    x = 127,181,457.95/11,843.52
  6. Step 6: Final answer
    x = 10,738.48

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