Home / 10,299.23-15,450.46-3,280.82

Finding the Fourth Proportional to 10,299.23, 15,450.46 and 3,280.82

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Solution

The fourth proportional to 10,299.23, 15,450.46 and 3,280.82 is: 4,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.23 : 15,450.46 = 3,280.82 : x
  2. Step 2: Convert to fraction form
    10,299.23/15,450.46 = 3,280.82/x
  3. Step 3: Cross multiply
    10,299.23x = 15,450.46 × 3,280.82
  4. Step 4: Simplify right side
    10,299.23x = 50,690,198.09
  5. Step 5: Solve for x
    x = 50,690,198.09/10,299.23
  6. Step 6: Final answer
    x = 4,921.74

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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.