Home / 20,161.16-30,227.24-9,481.52

Finding the Fourth Proportional to 20,161.16, 30,227.24 and 9,481.52

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Solution

The fourth proportional to 20,161.16, 30,227.24 and 9,481.52 is: 14,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161.16 : 30,227.24 = 9,481.52 : x
  2. Step 2: Convert to fraction form
    20,161.16/30,227.24 = 9,481.52/x
  3. Step 3: Cross multiply
    20,161.16x = 30,227.24 × 9,481.52
  4. Step 4: Simplify right side
    20,161.16x = 286,600,180.60
  5. Step 5: Solve for x
    x = 286,600,180.60/20,161.16
  6. Step 6: Final answer
    x = 14,215.46

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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.