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Finding the Fourth Proportional to 21,967.82, 30,315.44 and 11,896.03

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Solution

The fourth proportional to 21,967.82, 30,315.44 and 11,896.03 is: 16,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.82 : 30,315.44 = 11,896.03 : x
  2. Step 2: Convert to fraction form
    21,967.82/30,315.44 = 11,896.03/x
  3. Step 3: Cross multiply
    21,967.82x = 30,315.44 × 11,896.03
  4. Step 4: Simplify right side
    21,967.82x = 360,633,252.35
  5. Step 5: Solve for x
    x = 360,633,252.35/21,967.82
  6. Step 6: Final answer
    x = 16,416.44

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