Home / 9,621.12-14,431.68-4,431.36

Finding the Fourth Proportional to 9,621.12, 14,431.68 and 4,431.36

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Solution

The fourth proportional to 9,621.12, 14,431.68 and 4,431.36 is: 6,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.12 : 14,431.68 = 4,431.36 : x
  2. Step 2: Convert to fraction form
    9,621.12/14,431.68 = 4,431.36/x
  3. Step 3: Cross multiply
    9,621.12x = 14,431.68 × 4,431.36
  4. Step 4: Simplify right side
    9,621.12x = 63,951,969.48
  5. Step 5: Solve for x
    x = 63,951,969.48/9,621.12
  6. Step 6: Final answer
    x = 6,647.04

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