Home / 22,616.44-31,211.19-12,544.55

Finding the Fourth Proportional to 22,616.44, 31,211.19 and 12,544.55

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Solution

The fourth proportional to 22,616.44, 31,211.19 and 12,544.55 is: 17,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.44 : 31,211.19 = 12,544.55 : x
  2. Step 2: Convert to fraction form
    22,616.44/31,211.19 = 12,544.55/x
  3. Step 3: Cross multiply
    22,616.44x = 31,211.19 × 12,544.55
  4. Step 4: Simplify right side
    22,616.44x = 391,530,380.18
  5. Step 5: Solve for x
    x = 391,530,380.18/22,616.44
  6. Step 6: Final answer
    x = 17,311.76

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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.