Home / 11,053.20-16,579.80-7,116.60

Finding the Fourth Proportional to 11,053.20, 16,579.80 and 7,116.60

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Solution

The fourth proportional to 11,053.20, 16,579.80 and 7,116.60 is: 10,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.20 : 16,579.80 = 7,116.60 : x
  2. Step 2: Convert to fraction form
    11,053.20/16,579.80 = 7,116.60/x
  3. Step 3: Cross multiply
    11,053.20x = 16,579.80 × 7,116.60
  4. Step 4: Simplify right side
    11,053.20x = 117,991,804.68
  5. Step 5: Solve for x
    x = 117,991,804.68/11,053.20
  6. Step 6: Final answer
    x = 10,674.90

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