Home / 20,193.48-30,270.78-10,826.64

Finding the Fourth Proportional to 20,193.48, 30,270.78 and 10,826.64

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Solution

The fourth proportional to 20,193.48, 30,270.78 and 10,826.64 is: 16,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.48 : 30,270.78 = 10,826.64 : x
  2. Step 2: Convert to fraction form
    20,193.48/30,270.78 = 10,826.64/x
  3. Step 3: Cross multiply
    20,193.48x = 30,270.78 × 10,826.64
  4. Step 4: Simplify right side
    20,193.48x = 327,730,837.58
  5. Step 5: Solve for x
    x = 327,730,837.58/20,193.48
  6. Step 6: Final answer
    x = 16,229.54

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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.