Home / 9,221.08-13,831.56-5,524.36

Finding the Fourth Proportional to 9,221.08, 13,831.56 and 5,524.36

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Solution

The fourth proportional to 9,221.08, 13,831.56 and 5,524.36 is: 8,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.08 : 13,831.56 = 5,524.36 : x
  2. Step 2: Convert to fraction form
    9,221.08/13,831.56 = 5,524.36/x
  3. Step 3: Cross multiply
    9,221.08x = 13,831.56 × 5,524.36
  4. Step 4: Simplify right side
    9,221.08x = 76,410,516.80
  5. Step 5: Solve for x
    x = 76,410,516.80/9,221.08
  6. Step 6: Final answer
    x = 8,286.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.