Home / 20,174.76-30,234.33-10,293.39

Finding the Fourth Proportional to 20,174.76, 30,234.33 and 10,293.39

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Solution

The fourth proportional to 20,174.76, 30,234.33 and 10,293.39 is: 15,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.76 : 30,234.33 = 10,293.39 : x
  2. Step 2: Convert to fraction form
    20,174.76/30,234.33 = 10,293.39/x
  3. Step 3: Cross multiply
    20,174.76x = 30,234.33 × 10,293.39
  4. Step 4: Simplify right side
    20,174.76x = 311,213,750.08
  5. Step 5: Solve for x
    x = 311,213,750.08/20,174.76
  6. Step 6: Final answer
    x = 15,425.90

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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.