Home / 10,122.24-15,183.05-5,739.87

Finding the Fourth Proportional to 10,122.24, 15,183.05 and 5,739.87

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Solution

The fourth proportional to 10,122.24, 15,183.05 and 5,739.87 is: 8,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.24 : 15,183.05 = 5,739.87 : x
  2. Step 2: Convert to fraction form
    10,122.24/15,183.05 = 5,739.87/x
  3. Step 3: Cross multiply
    10,122.24x = 15,183.05 × 5,739.87
  4. Step 4: Simplify right side
    10,122.24x = 87,148,704.50
  5. Step 5: Solve for x
    x = 87,148,704.50/10,122.24
  6. Step 6: Final answer
    x = 8,609.63

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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.