Home / 20,222.42-27,906.98-11,269.74

Finding the Fourth Proportional to 20,222.42, 27,906.98 and 11,269.74

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Solution

The fourth proportional to 20,222.42, 27,906.98 and 11,269.74 is: 15,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.42 : 27,906.98 = 11,269.74 : x
  2. Step 2: Convert to fraction form
    20,222.42/27,906.98 = 11,269.74/x
  3. Step 3: Cross multiply
    20,222.42x = 27,906.98 × 11,269.74
  4. Step 4: Simplify right side
    20,222.42x = 314,504,300.11
  5. Step 5: Solve for x
    x = 314,504,300.11/20,222.42
  6. Step 6: Final answer
    x = 15,552.26

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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.