Home / 10,067.19-15,096.95-3,311.21

Finding the Fourth Proportional to 10,067.19, 15,096.95 and 3,311.21

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Solution

The fourth proportional to 10,067.19, 15,096.95 and 3,311.21 is: 4,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.19 : 15,096.95 = 3,311.21 : x
  2. Step 2: Convert to fraction form
    10,067.19/15,096.95 = 3,311.21/x
  3. Step 3: Cross multiply
    10,067.19x = 15,096.95 × 3,311.21
  4. Step 4: Simplify right side
    10,067.19x = 49,989,079.77
  5. Step 5: Solve for x
    x = 49,989,079.77/10,067.19
  6. Step 6: Final answer
    x = 4,965.54

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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.