Home / 11,745.99-17,609.67-5,818.71

Finding the Fourth Proportional to 11,745.99, 17,609.67 and 5,818.71

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Solution

The fourth proportional to 11,745.99, 17,609.67 and 5,818.71 is: 8,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.99 : 17,609.67 = 5,818.71 : x
  2. Step 2: Convert to fraction form
    11,745.99/17,609.67 = 5,818.71/x
  3. Step 3: Cross multiply
    11,745.99x = 17,609.67 × 5,818.71
  4. Step 4: Simplify right side
    11,745.99x = 102,465,562.93
  5. Step 5: Solve for x
    x = 102,465,562.93/11,745.99
  6. Step 6: Final answer
    x = 8,723.45

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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.