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Finding the Fourth Proportional to 13,064.82, 19,583.80 and 5,164.12

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Solution

The fourth proportional to 13,064.82, 19,583.80 and 5,164.12 is: 7,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.82 : 19,583.80 = 5,164.12 : x
  2. Step 2: Convert to fraction form
    13,064.82/19,583.80 = 5,164.12/x
  3. Step 3: Cross multiply
    13,064.82x = 19,583.80 × 5,164.12
  4. Step 4: Simplify right side
    13,064.82x = 101,133,093.26
  5. Step 5: Solve for x
    x = 101,133,093.26/13,064.82
  6. Step 6: Final answer
    x = 7,740.87

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