Home / 10,896.08-16,318.20-8,412.80

Finding the Fourth Proportional to 10,896.08, 16,318.20 and 8,412.80

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Solution

The fourth proportional to 10,896.08, 16,318.20 and 8,412.80 is: 12,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.08 : 16,318.20 = 8,412.80 : x
  2. Step 2: Convert to fraction form
    10,896.08/16,318.20 = 8,412.80/x
  3. Step 3: Cross multiply
    10,896.08x = 16,318.20 × 8,412.80
  4. Step 4: Simplify right side
    10,896.08x = 137,281,752.96
  5. Step 5: Solve for x
    x = 137,281,752.96/10,896.08
  6. Step 6: Final answer
    x = 12,599.19

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