Home / 20,604.92-30,907.44-5,813.91

Finding the Fourth Proportional to 20,604.92, 30,907.44 and 5,813.91

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Solution

The fourth proportional to 20,604.92, 30,907.44 and 5,813.91 is: 8,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.92 : 30,907.44 = 5,813.91 : x
  2. Step 2: Convert to fraction form
    20,604.92/30,907.44 = 5,813.91/x
  3. Step 3: Cross multiply
    20,604.92x = 30,907.44 × 5,813.91
  4. Step 4: Simplify right side
    20,604.92x = 179,693,074.49
  5. Step 5: Solve for x
    x = 179,693,074.49/20,604.92
  6. Step 6: Final answer
    x = 8,720.88

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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.