Home / 13,160.20-19,738.80-5,266.12

Finding the Fourth Proportional to 13,160.20, 19,738.80 and 5,266.12

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Solution

The fourth proportional to 13,160.20, 19,738.80 and 5,266.12 is: 7,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.20 : 19,738.80 = 5,266.12 : x
  2. Step 2: Convert to fraction form
    13,160.20/19,738.80 = 5,266.12/x
  3. Step 3: Cross multiply
    13,160.20x = 19,738.80 × 5,266.12
  4. Step 4: Simplify right side
    13,160.20x = 103,946,889.46
  5. Step 5: Solve for x
    x = 103,946,889.46/13,160.20
  6. Step 6: Final answer
    x = 7,898.58

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