Home / 16,445.80-24,668.70-8,122.60

Finding the Fourth Proportional to 16,445.80, 24,668.70 and 8,122.60

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Solution

The fourth proportional to 16,445.80, 24,668.70 and 8,122.60 is: 12,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,445.80 : 24,668.70 = 8,122.60 : x
  2. Step 2: Convert to fraction form
    16,445.80/24,668.70 = 8,122.60/x
  3. Step 3: Cross multiply
    16,445.80x = 24,668.70 × 8,122.60
  4. Step 4: Simplify right side
    16,445.80x = 200,373,982.62
  5. Step 5: Solve for x
    x = 200,373,982.62/16,445.80
  6. Step 6: Final answer
    x = 12,183.90

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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.