Home / 12,450.27-18,675.33-7,181.87

Finding the Fourth Proportional to 12,450.27, 18,675.33 and 7,181.87

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Solution

The fourth proportional to 12,450.27, 18,675.33 and 7,181.87 is: 10,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.27 : 18,675.33 = 7,181.87 : x
  2. Step 2: Convert to fraction form
    12,450.27/18,675.33 = 7,181.87/x
  3. Step 3: Cross multiply
    12,450.27x = 18,675.33 × 7,181.87
  4. Step 4: Simplify right side
    12,450.27x = 134,123,698.89
  5. Step 5: Solve for x
    x = 134,123,698.89/12,450.27
  6. Step 6: Final answer
    x = 10,772.76

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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.