Home / 13,626.80-20,436.60-4,266.80

Finding the Fourth Proportional to 13,626.80, 20,436.60 and 4,266.80

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Solution

The fourth proportional to 13,626.80, 20,436.60 and 4,266.80 is: 6,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.80 : 20,436.60 = 4,266.80 : x
  2. Step 2: Convert to fraction form
    13,626.80/20,436.60 = 4,266.80/x
  3. Step 3: Cross multiply
    13,626.80x = 20,436.60 × 4,266.80
  4. Step 4: Simplify right side
    13,626.80x = 87,198,884.88
  5. Step 5: Solve for x
    x = 87,198,884.88/13,626.80
  6. Step 6: Final answer
    x = 6,399.07

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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.