Home / 18,922.46-28,387.03-7,822.93

Finding the Fourth Proportional to 18,922.46, 28,387.03 and 7,822.93

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Solution

The fourth proportional to 18,922.46, 28,387.03 and 7,822.93 is: 11,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.46 : 28,387.03 = 7,822.93 : x
  2. Step 2: Convert to fraction form
    18,922.46/28,387.03 = 7,822.93/x
  3. Step 3: Cross multiply
    18,922.46x = 28,387.03 × 7,822.93
  4. Step 4: Simplify right side
    18,922.46x = 222,069,747.97
  5. Step 5: Solve for x
    x = 222,069,747.97/18,922.46
  6. Step 6: Final answer
    x = 11,735.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.