Home / 20,222.61-27,906.83-11,269.92

Finding the Fourth Proportional to 20,222.61, 27,906.83 and 11,269.92

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Solution

The fourth proportional to 20,222.61, 27,906.83 and 11,269.92 is: 15,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.61 : 27,906.83 = 11,269.92 : x
  2. Step 2: Convert to fraction form
    20,222.61/27,906.83 = 11,269.92/x
  3. Step 3: Cross multiply
    20,222.61x = 27,906.83 × 11,269.92
  4. Step 4: Simplify right side
    20,222.61x = 314,507,685.20
  5. Step 5: Solve for x
    x = 314,507,685.20/20,222.61
  6. Step 6: Final answer
    x = 15,552.28

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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.