Home / 20,063.20-30,099.60-8,369.92

Finding the Fourth Proportional to 20,063.20, 30,099.60 and 8,369.92

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Solution

The fourth proportional to 20,063.20, 30,099.60 and 8,369.92 is: 12,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.20 : 30,099.60 = 8,369.92 : x
  2. Step 2: Convert to fraction form
    20,063.20/30,099.60 = 8,369.92/x
  3. Step 3: Cross multiply
    20,063.20x = 30,099.60 × 8,369.92
  4. Step 4: Simplify right side
    20,063.20x = 251,931,244.03
  5. Step 5: Solve for x
    x = 251,931,244.03/20,063.20
  6. Step 6: Final answer
    x = 12,556.88

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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.