Home / 13,524.03-20,286.05-5,727.78

Finding the Fourth Proportional to 13,524.03, 20,286.05 and 5,727.78

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Solution

The fourth proportional to 13,524.03, 20,286.05 and 5,727.78 is: 8,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.03 : 20,286.05 = 5,727.78 : x
  2. Step 2: Convert to fraction form
    13,524.03/20,286.05 = 5,727.78/x
  3. Step 3: Cross multiply
    13,524.03x = 20,286.05 × 5,727.78
  4. Step 4: Simplify right side
    13,524.03x = 116,194,002.83
  5. Step 5: Solve for x
    x = 116,194,002.83/13,524.03
  6. Step 6: Final answer
    x = 8,591.67

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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.