Home / 12,281.06-18,424.22-3,961.55

Finding the Fourth Proportional to 12,281.06, 18,424.22 and 3,961.55

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Solution

The fourth proportional to 12,281.06, 18,424.22 and 3,961.55 is: 5,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281.06 : 18,424.22 = 3,961.55 : x
  2. Step 2: Convert to fraction form
    12,281.06/18,424.22 = 3,961.55/x
  3. Step 3: Cross multiply
    12,281.06x = 18,424.22 × 3,961.55
  4. Step 4: Simplify right side
    12,281.06x = 72,988,356.81
  5. Step 5: Solve for x
    x = 72,988,356.81/12,281.06
  6. Step 6: Final answer
    x = 5,943.17

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