Home / 20,234.49-30,365.37-7,086.98

Finding the Fourth Proportional to 20,234.49, 30,365.37 and 7,086.98

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Solution

The fourth proportional to 20,234.49, 30,365.37 and 7,086.98 is: 10,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.49 : 30,365.37 = 7,086.98 : x
  2. Step 2: Convert to fraction form
    20,234.49/30,365.37 = 7,086.98/x
  3. Step 3: Cross multiply
    20,234.49x = 30,365.37 × 7,086.98
  4. Step 4: Simplify right side
    20,234.49x = 215,198,618.06
  5. Step 5: Solve for x
    x = 215,198,618.06/20,234.49
  6. Step 6: Final answer
    x = 10,635.24

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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.