Home / 20,162.70-30,249.01-7,015.18

Finding the Fourth Proportional to 20,162.70, 30,249.01 and 7,015.18

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Solution

The fourth proportional to 20,162.70, 30,249.01 and 7,015.18 is: 10,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.70 : 30,249.01 = 7,015.18 : x
  2. Step 2: Convert to fraction form
    20,162.70/30,249.01 = 7,015.18/x
  3. Step 3: Cross multiply
    20,162.70x = 30,249.01 × 7,015.18
  4. Step 4: Simplify right side
    20,162.70x = 212,202,249.97
  5. Step 5: Solve for x
    x = 212,202,249.97/20,162.70
  6. Step 6: Final answer
    x = 10,524.50

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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.