Home / 13,831.92-19,087.64-7,864.24

Finding the Fourth Proportional to 13,831.92, 19,087.64 and 7,864.24

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Solution

The fourth proportional to 13,831.92, 19,087.64 and 7,864.24 is: 10,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.92 : 19,087.64 = 7,864.24 : x
  2. Step 2: Convert to fraction form
    13,831.92/19,087.64 = 7,864.24/x
  3. Step 3: Cross multiply
    13,831.92x = 19,087.64 × 7,864.24
  4. Step 4: Simplify right side
    13,831.92x = 150,109,781.99
  5. Step 5: Solve for x
    x = 150,109,781.99/13,831.92
  6. Step 6: Final answer
    x = 10,852.42

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