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Finding the Fourth Proportional to 11,297.01, 16,943.11 and 7,131.45

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Solution

The fourth proportional to 11,297.01, 16,943.11 and 7,131.45 is: 10,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.01 : 16,943.11 = 7,131.45 : x
  2. Step 2: Convert to fraction form
    11,297.01/16,943.11 = 7,131.45/x
  3. Step 3: Cross multiply
    11,297.01x = 16,943.11 × 7,131.45
  4. Step 4: Simplify right side
    11,297.01x = 120,828,923.98
  5. Step 5: Solve for x
    x = 120,828,923.98/11,297.01
  6. Step 6: Final answer
    x = 10,695.66

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