Home / 11,183.79-16,779.62-4,942.99

Finding the Fourth Proportional to 11,183.79, 16,779.62 and 4,942.99

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Solution

The fourth proportional to 11,183.79, 16,779.62 and 4,942.99 is: 7,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.79 : 16,779.62 = 4,942.99 : x
  2. Step 2: Convert to fraction form
    11,183.79/16,779.62 = 4,942.99/x
  3. Step 3: Cross multiply
    11,183.79x = 16,779.62 × 4,942.99
  4. Step 4: Simplify right side
    11,183.79x = 82,941,493.86
  5. Step 5: Solve for x
    x = 82,941,493.86/11,183.79
  6. Step 6: Final answer
    x = 7,416.22

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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.