Home / 13,723.20-20,586.24-8,524.80

Finding the Fourth Proportional to 13,723.20, 20,586.24 and 8,524.80

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Solution

The fourth proportional to 13,723.20, 20,586.24 and 8,524.80 is: 12,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.20 : 20,586.24 = 8,524.80 : x
  2. Step 2: Convert to fraction form
    13,723.20/20,586.24 = 8,524.80/x
  3. Step 3: Cross multiply
    13,723.20x = 20,586.24 × 8,524.80
  4. Step 4: Simplify right side
    13,723.20x = 175,493,578.75
  5. Step 5: Solve for x
    x = 175,493,578.75/13,723.20
  6. Step 6: Final answer
    x = 12,788.09

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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.