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Finding the Fourth Proportional to 12,023.91, 18,038.43 and 7,097.22

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Solution

The fourth proportional to 12,023.91, 18,038.43 and 7,097.22 is: 10,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.91 : 18,038.43 = 7,097.22 : x
  2. Step 2: Convert to fraction form
    12,023.91/18,038.43 = 7,097.22/x
  3. Step 3: Cross multiply
    12,023.91x = 18,038.43 × 7,097.22
  4. Step 4: Simplify right side
    12,023.91x = 128,022,706.16
  5. Step 5: Solve for x
    x = 128,022,706.16/12,023.91
  6. Step 6: Final answer
    x = 10,647.34

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