Home / 13,194.36-19,795.56-5,403.78

Finding the Fourth Proportional to 13,194.36, 19,795.56 and 5,403.78

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Solution

The fourth proportional to 13,194.36, 19,795.56 and 5,403.78 is: 8,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.36 : 19,795.56 = 5,403.78 : x
  2. Step 2: Convert to fraction form
    13,194.36/19,795.56 = 5,403.78/x
  3. Step 3: Cross multiply
    13,194.36x = 19,795.56 × 5,403.78
  4. Step 4: Simplify right side
    13,194.36x = 106,970,851.22
  5. Step 5: Solve for x
    x = 106,970,851.22/13,194.36
  6. Step 6: Final answer
    x = 8,107.32

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