Home / 14,168.82-21,255.66-4,309.08

Finding the Fourth Proportional to 14,168.82, 21,255.66 and 4,309.08

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Solution

The fourth proportional to 14,168.82, 21,255.66 and 4,309.08 is: 6,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.82 : 21,255.66 = 4,309.08 : x
  2. Step 2: Convert to fraction form
    14,168.82/21,255.66 = 4,309.08/x
  3. Step 3: Cross multiply
    14,168.82x = 21,255.66 × 4,309.08
  4. Step 4: Simplify right side
    14,168.82x = 91,592,339.39
  5. Step 5: Solve for x
    x = 91,592,339.39/14,168.82
  6. Step 6: Final answer
    x = 6,464.36

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