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Finding the Fourth Proportional to 12,246.07, 16,899.77 and 6,940.77

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Solution

The fourth proportional to 12,246.07, 16,899.77 and 6,940.77 is: 9,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.07 : 16,899.77 = 6,940.77 : x
  2. Step 2: Convert to fraction form
    12,246.07/16,899.77 = 6,940.77/x
  3. Step 3: Cross multiply
    12,246.07x = 16,899.77 × 6,940.77
  4. Step 4: Simplify right side
    12,246.07x = 117,297,339.67
  5. Step 5: Solve for x
    x = 117,297,339.67/12,246.07
  6. Step 6: Final answer
    x = 9,578.37

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