Home / 11,545.46-17,315.45-4,149.75

Finding the Fourth Proportional to 11,545.46, 17,315.45 and 4,149.75

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Solution

The fourth proportional to 11,545.46, 17,315.45 and 4,149.75 is: 6,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.46 : 17,315.45 = 4,149.75 : x
  2. Step 2: Convert to fraction form
    11,545.46/17,315.45 = 4,149.75/x
  3. Step 3: Cross multiply
    11,545.46x = 17,315.45 × 4,149.75
  4. Step 4: Simplify right side
    11,545.46x = 71,854,788.64
  5. Step 5: Solve for x
    x = 71,854,788.64/11,545.46
  6. Step 6: Final answer
    x = 6,223.64

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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.