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Finding the Fourth Proportional to 10,089.82, 15,135.81 and 3,069.82

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Solution

The fourth proportional to 10,089.82, 15,135.81 and 3,069.82 is: 4,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.82 : 15,135.81 = 3,069.82 : x
  2. Step 2: Convert to fraction form
    10,089.82/15,135.81 = 3,069.82/x
  3. Step 3: Cross multiply
    10,089.82x = 15,135.81 × 3,069.82
  4. Step 4: Simplify right side
    10,089.82x = 46,464,212.25
  5. Step 5: Solve for x
    x = 46,464,212.25/10,089.82
  6. Step 6: Final answer
    x = 4,605.06

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