Home / 20,096.64-30,144.97-5,306.75

Finding the Fourth Proportional to 20,096.64, 30,144.97 and 5,306.75

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Solution

The fourth proportional to 20,096.64, 30,144.97 and 5,306.75 is: 7,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.64 : 30,144.97 = 5,306.75 : x
  2. Step 2: Convert to fraction form
    20,096.64/30,144.97 = 5,306.75/x
  3. Step 3: Cross multiply
    20,096.64x = 30,144.97 × 5,306.75
  4. Step 4: Simplify right side
    20,096.64x = 159,971,819.55
  5. Step 5: Solve for x
    x = 159,971,819.55/20,096.64
  6. Step 6: Final answer
    x = 7,960.13

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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.