Home / 8,831.97-13,190.79-7,997.37

Finding the Fourth Proportional to 8,831.97, 13,190.79 and 7,997.37

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Solution

The fourth proportional to 8,831.97, 13,190.79 and 7,997.37 is: 11,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.97 : 13,190.79 = 7,997.37 : x
  2. Step 2: Convert to fraction form
    8,831.97/13,190.79 = 7,997.37/x
  3. Step 3: Cross multiply
    8,831.97x = 13,190.79 × 7,997.37
  4. Step 4: Simplify right side
    8,831.97x = 105,491,522.28
  5. Step 5: Solve for x
    x = 105,491,522.28/8,831.97
  6. Step 6: Final answer
    x = 11,944.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.