Home / 20,286.92-30,430.26-5,496.20

Finding the Fourth Proportional to 20,286.92, 30,430.26 and 5,496.20

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Solution

The fourth proportional to 20,286.92, 30,430.26 and 5,496.20 is: 8,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286.92 : 30,430.26 = 5,496.20 : x
  2. Step 2: Convert to fraction form
    20,286.92/30,430.26 = 5,496.20/x
  3. Step 3: Cross multiply
    20,286.92x = 30,430.26 × 5,496.20
  4. Step 4: Simplify right side
    20,286.92x = 167,250,795.01
  5. Step 5: Solve for x
    x = 167,250,795.01/20,286.92
  6. Step 6: Final answer
    x = 8,244.27

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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.