Home / 20,219.73-30,310.44-7,063.56

Finding the Fourth Proportional to 20,219.73, 30,310.44 and 7,063.56

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Solution

The fourth proportional to 20,219.73, 30,310.44 and 7,063.56 is: 10,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.73 : 30,310.44 = 7,063.56 : x
  2. Step 2: Convert to fraction form
    20,219.73/30,310.44 = 7,063.56/x
  3. Step 3: Cross multiply
    20,219.73x = 30,310.44 × 7,063.56
  4. Step 4: Simplify right side
    20,219.73x = 214,099,611.57
  5. Step 5: Solve for x
    x = 214,099,611.57/20,219.73
  6. Step 6: Final answer
    x = 10,588.65

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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.