Home / 10,350.11-15,520.40-3,328.83

Finding the Fourth Proportional to 10,350.11, 15,520.40 and 3,328.83

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Solution

The fourth proportional to 10,350.11, 15,520.40 and 3,328.83 is: 4,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.11 : 15,520.40 = 3,328.83 : x
  2. Step 2: Convert to fraction form
    10,350.11/15,520.40 = 3,328.83/x
  3. Step 3: Cross multiply
    10,350.11x = 15,520.40 × 3,328.83
  4. Step 4: Simplify right side
    10,350.11x = 51,664,773.13
  5. Step 5: Solve for x
    x = 51,664,773.13/10,350.11
  6. Step 6: Final answer
    x = 4,991.71

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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.