Home / 20,211.24-30,330.74-7,063.63

Finding the Fourth Proportional to 20,211.24, 30,330.74 and 7,063.63

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Solution

The fourth proportional to 20,211.24, 30,330.74 and 7,063.63 is: 10,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211.24 : 30,330.74 = 7,063.63 : x
  2. Step 2: Convert to fraction form
    20,211.24/30,330.74 = 7,063.63/x
  3. Step 3: Cross multiply
    20,211.24x = 30,330.74 × 7,063.63
  4. Step 4: Simplify right side
    20,211.24x = 214,245,124.99
  5. Step 5: Solve for x
    x = 214,245,124.99/20,211.24
  6. Step 6: Final answer
    x = 10,600.30

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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.