Home / 12,621.41-18,930.79-5,601.54

Finding the Fourth Proportional to 12,621.41, 18,930.79 and 5,601.54

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Solution

The fourth proportional to 12,621.41, 18,930.79 and 5,601.54 is: 8,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.41 : 18,930.79 = 5,601.54 : x
  2. Step 2: Convert to fraction form
    12,621.41/18,930.79 = 5,601.54/x
  3. Step 3: Cross multiply
    12,621.41x = 18,930.79 × 5,601.54
  4. Step 4: Simplify right side
    12,621.41x = 106,041,577.42
  5. Step 5: Solve for x
    x = 106,041,577.42/12,621.41
  6. Step 6: Final answer
    x = 8,401.72

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