Home / 11,707.99-17,568.90-4,317.61

Finding the Fourth Proportional to 11,707.99, 17,568.90 and 4,317.61

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Solution

The fourth proportional to 11,707.99, 17,568.90 and 4,317.61 is: 6,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.99 : 17,568.90 = 4,317.61 : x
  2. Step 2: Convert to fraction form
    11,707.99/17,568.90 = 4,317.61/x
  3. Step 3: Cross multiply
    11,707.99x = 17,568.90 × 4,317.61
  4. Step 4: Simplify right side
    11,707.99x = 75,855,658.33
  5. Step 5: Solve for x
    x = 75,855,658.33/11,707.99
  6. Step 6: Final answer
    x = 6,478.97

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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.