Home / 10,234.85-15,351.55-3,993.68

Finding the Fourth Proportional to 10,234.85, 15,351.55 and 3,993.68

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Solution

The fourth proportional to 10,234.85, 15,351.55 and 3,993.68 is: 5,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.85 : 15,351.55 = 3,993.68 : x
  2. Step 2: Convert to fraction form
    10,234.85/15,351.55 = 3,993.68/x
  3. Step 3: Cross multiply
    10,234.85x = 15,351.55 × 3,993.68
  4. Step 4: Simplify right side
    10,234.85x = 61,309,206.60
  5. Step 5: Solve for x
    x = 61,309,206.60/10,234.85
  6. Step 6: Final answer
    x = 5,990.24

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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.