Home / 15,181.24-20,950.21-8,467.30

Finding the Fourth Proportional to 15,181.24, 20,950.21 and 8,467.30

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Solution

The fourth proportional to 15,181.24, 20,950.21 and 8,467.30 is: 11,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.24 : 20,950.21 = 8,467.30 : x
  2. Step 2: Convert to fraction form
    15,181.24/20,950.21 = 8,467.30/x
  3. Step 3: Cross multiply
    15,181.24x = 20,950.21 × 8,467.30
  4. Step 4: Simplify right side
    15,181.24x = 177,391,608.38
  5. Step 5: Solve for x
    x = 177,391,608.38/15,181.24
  6. Step 6: Final answer
    x = 11,684.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.