Home / 22,616.79-31,211.34-12,544.65

Finding the Fourth Proportional to 22,616.79, 31,211.34 and 12,544.65

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Solution

The fourth proportional to 22,616.79, 31,211.34 and 12,544.65 is: 17,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.79 : 31,211.34 = 12,544.65 : x
  2. Step 2: Convert to fraction form
    22,616.79/31,211.34 = 12,544.65/x
  3. Step 3: Cross multiply
    22,616.79x = 31,211.34 × 12,544.65
  4. Step 4: Simplify right side
    22,616.79x = 391,535,336.33
  5. Step 5: Solve for x
    x = 391,535,336.33/22,616.79
  6. Step 6: Final answer
    x = 17,311.71

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Double scale
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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.