Home / 20,608.11-30,915.38-6,571.28

Finding the Fourth Proportional to 20,608.11, 30,915.38 and 6,571.28

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Solution

The fourth proportional to 20,608.11, 30,915.38 and 6,571.28 is: 9,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.11 : 30,915.38 = 6,571.28 : x
  2. Step 2: Convert to fraction form
    20,608.11/30,915.38 = 6,571.28/x
  3. Step 3: Cross multiply
    20,608.11x = 30,915.38 × 6,571.28
  4. Step 4: Simplify right side
    20,608.11x = 203,153,508.14
  5. Step 5: Solve for x
    x = 203,153,508.14/20,608.11
  6. Step 6: Final answer
    x = 9,857.94

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