Home / 12,839.40-19,261.68-6,265.71

Finding the Fourth Proportional to 12,839.40, 19,261.68 and 6,265.71

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Solution

The fourth proportional to 12,839.40, 19,261.68 and 6,265.71 is: 9,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.40 : 19,261.68 = 6,265.71 : x
  2. Step 2: Convert to fraction form
    12,839.40/19,261.68 = 6,265.71/x
  3. Step 3: Cross multiply
    12,839.40x = 19,261.68 × 6,265.71
  4. Step 4: Simplify right side
    12,839.40x = 120,688,100.99
  5. Step 5: Solve for x
    x = 120,688,100.99/12,839.40
  6. Step 6: Final answer
    x = 9,399.82

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