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Finding the Fourth Proportional to 16,675.63, 23,012.40 and 9,121.99

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Solution

The fourth proportional to 16,675.63, 23,012.40 and 9,121.99 is: 12,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.63 : 23,012.40 = 9,121.99 : x
  2. Step 2: Convert to fraction form
    16,675.63/23,012.40 = 9,121.99/x
  3. Step 3: Cross multiply
    16,675.63x = 23,012.40 × 9,121.99
  4. Step 4: Simplify right side
    16,675.63x = 209,918,882.68
  5. Step 5: Solve for x
    x = 209,918,882.68/16,675.63
  6. Step 6: Final answer
    x = 12,588.36

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