Home / 22,613.28-33,921.60-7,620.48

Finding the Fourth Proportional to 22,613.28, 33,921.60 and 7,620.48

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Solution

The fourth proportional to 22,613.28, 33,921.60 and 7,620.48 is: 11,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.28 : 33,921.60 = 7,620.48 : x
  2. Step 2: Convert to fraction form
    22,613.28/33,921.60 = 7,620.48/x
  3. Step 3: Cross multiply
    22,613.28x = 33,921.60 × 7,620.48
  4. Step 4: Simplify right side
    22,613.28x = 258,498,874.37
  5. Step 5: Solve for x
    x = 258,498,874.37/22,613.28
  6. Step 6: Final answer
    x = 11,431.29

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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.