Home / 20,163.76-30,236.10-7,014.49

Finding the Fourth Proportional to 20,163.76, 30,236.10 and 7,014.49

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Solution

The fourth proportional to 20,163.76, 30,236.10 and 7,014.49 is: 10,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.76 : 30,236.10 = 7,014.49 : x
  2. Step 2: Convert to fraction form
    20,163.76/30,236.10 = 7,014.49/x
  3. Step 3: Cross multiply
    20,163.76x = 30,236.10 × 7,014.49
  4. Step 4: Simplify right side
    20,163.76x = 212,090,821.09
  5. Step 5: Solve for x
    x = 212,090,821.09/20,163.76
  6. Step 6: Final answer
    x = 10,518.42

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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.