Home / 12,545.27-17,311.22-7,241.79

Finding the Fourth Proportional to 12,545.27, 17,311.22 and 7,241.79

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Solution

The fourth proportional to 12,545.27, 17,311.22 and 7,241.79 is: 9,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.27 : 17,311.22 = 7,241.79 : x
  2. Step 2: Convert to fraction form
    12,545.27/17,311.22 = 7,241.79/x
  3. Step 3: Cross multiply
    12,545.27x = 17,311.22 × 7,241.79
  4. Step 4: Simplify right side
    12,545.27x = 125,364,183.67
  5. Step 5: Solve for x
    x = 125,364,183.67/12,545.27
  6. Step 6: Final answer
    x = 9,992.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.