Home / 20,177.22-30,283.20-10,824.24

Finding the Fourth Proportional to 20,177.22, 30,283.20 and 10,824.24

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Solution

The fourth proportional to 20,177.22, 30,283.20 and 10,824.24 is: 16,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.22 : 30,283.20 = 10,824.24 : x
  2. Step 2: Convert to fraction form
    20,177.22/30,283.20 = 10,824.24/x
  3. Step 3: Cross multiply
    20,177.22x = 30,283.20 × 10,824.24
  4. Step 4: Simplify right side
    20,177.22x = 327,792,624.77
  5. Step 5: Solve for x
    x = 327,792,624.77/20,177.22
  6. Step 6: Final answer
    x = 16,245.68

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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.