Home / 13,729.26-18,946.40-7,441.64

Finding the Fourth Proportional to 13,729.26, 18,946.40 and 7,441.64

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Solution

The fourth proportional to 13,729.26, 18,946.40 and 7,441.64 is: 10,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.26 : 18,946.40 = 7,441.64 : x
  2. Step 2: Convert to fraction form
    13,729.26/18,946.40 = 7,441.64/x
  3. Step 3: Cross multiply
    13,729.26x = 18,946.40 × 7,441.64
  4. Step 4: Simplify right side
    13,729.26x = 140,992,156.16
  5. Step 5: Solve for x
    x = 140,992,156.16/13,729.26
  6. Step 6: Final answer
    x = 10,269.47

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