Home / 13,524.49-20,286.74-5,626.86

Finding the Fourth Proportional to 13,524.49, 20,286.74 and 5,626.86

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Solution

The fourth proportional to 13,524.49, 20,286.74 and 5,626.86 is: 8,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.49 : 20,286.74 = 5,626.86 : x
  2. Step 2: Convert to fraction form
    13,524.49/20,286.74 = 5,626.86/x
  3. Step 3: Cross multiply
    13,524.49x = 20,286.74 × 5,626.86
  4. Step 4: Simplify right side
    13,524.49x = 114,150,645.84
  5. Step 5: Solve for x
    x = 114,150,645.84/13,524.49
  6. Step 6: Final answer
    x = 8,440.29

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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.