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Finding the Fourth Proportional to 13,461.61, 18,577.90 and 8,982.51

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Solution

The fourth proportional to 13,461.61, 18,577.90 and 8,982.51 is: 12,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.61 : 18,577.90 = 8,982.51 : x
  2. Step 2: Convert to fraction form
    13,461.61/18,577.90 = 8,982.51/x
  3. Step 3: Cross multiply
    13,461.61x = 18,577.90 × 8,982.51
  4. Step 4: Simplify right side
    13,461.61x = 166,876,150.07
  5. Step 5: Solve for x
    x = 166,876,150.07/13,461.61
  6. Step 6: Final answer
    x = 12,396.45

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