Home / 11,831.22-16,327.89-6,863.22

Finding the Fourth Proportional to 11,831.22, 16,327.89 and 6,863.22

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Solution

The fourth proportional to 11,831.22, 16,327.89 and 6,863.22 is: 9,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.22 : 16,327.89 = 6,863.22 : x
  2. Step 2: Convert to fraction form
    11,831.22/16,327.89 = 6,863.22/x
  3. Step 3: Cross multiply
    11,831.22x = 16,327.89 × 6,863.22
  4. Step 4: Simplify right side
    11,831.22x = 112,061,901.21
  5. Step 5: Solve for x
    x = 112,061,901.21/11,831.22
  6. Step 6: Final answer
    x = 9,471.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.