Home / 13,455.67-20,183.88-3,594.96

Finding the Fourth Proportional to 13,455.67, 20,183.88 and 3,594.96

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Solution

The fourth proportional to 13,455.67, 20,183.88 and 3,594.96 is: 5,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.67 : 20,183.88 = 3,594.96 : x
  2. Step 2: Convert to fraction form
    13,455.67/20,183.88 = 3,594.96/x
  3. Step 3: Cross multiply
    13,455.67x = 20,183.88 × 3,594.96
  4. Step 4: Simplify right side
    13,455.67x = 72,560,197.96
  5. Step 5: Solve for x
    x = 72,560,197.96/13,455.67
  6. Step 6: Final answer
    x = 5,392.54

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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.