Home / 12,282.31-18,426.09-3,962.80

Finding the Fourth Proportional to 12,282.31, 18,426.09 and 3,962.80

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Solution

The fourth proportional to 12,282.31, 18,426.09 and 3,962.80 is: 5,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.31 : 18,426.09 = 3,962.80 : x
  2. Step 2: Convert to fraction form
    12,282.31/18,426.09 = 3,962.80/x
  3. Step 3: Cross multiply
    12,282.31x = 18,426.09 × 3,962.80
  4. Step 4: Simplify right side
    12,282.31x = 73,018,817.32
  5. Step 5: Solve for x
    x = 73,018,817.32/12,282.31
  6. Step 6: Final answer
    x = 5,945.04

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