Home / 16,811.85-25,217.78-4,499.85

Finding the Fourth Proportional to 16,811.85, 25,217.78 and 4,499.85

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Solution

The fourth proportional to 16,811.85, 25,217.78 and 4,499.85 is: 6,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.85 : 25,217.78 = 4,499.85 : x
  2. Step 2: Convert to fraction form
    16,811.85/25,217.78 = 4,499.85/x
  3. Step 3: Cross multiply
    16,811.85x = 25,217.78 × 4,499.85
  4. Step 4: Simplify right side
    16,811.85x = 113,476,204.83
  5. Step 5: Solve for x
    x = 113,476,204.83/16,811.85
  6. Step 6: Final answer
    x = 6,749.78

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Similar ratio
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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.