Home / 15,012.80-22,520.33-4,481.99

Finding the Fourth Proportional to 15,012.80, 22,520.33 and 4,481.99

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Solution

The fourth proportional to 15,012.80, 22,520.33 and 4,481.99 is: 6,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.80 : 22,520.33 = 4,481.99 : x
  2. Step 2: Convert to fraction form
    15,012.80/22,520.33 = 4,481.99/x
  3. Step 3: Cross multiply
    15,012.80x = 22,520.33 × 4,481.99
  4. Step 4: Simplify right side
    15,012.80x = 100,935,758.85
  5. Step 5: Solve for x
    x = 100,935,758.85/15,012.80
  6. Step 6: Final answer
    x = 6,723.32

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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.