Home / 10,149.44-15,225.39-3,574.28

Finding the Fourth Proportional to 10,149.44, 15,225.39 and 3,574.28

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Solution

The fourth proportional to 10,149.44, 15,225.39 and 3,574.28 is: 5,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.44 : 15,225.39 = 3,574.28 : x
  2. Step 2: Convert to fraction form
    10,149.44/15,225.39 = 3,574.28/x
  3. Step 3: Cross multiply
    10,149.44x = 15,225.39 × 3,574.28
  4. Step 4: Simplify right side
    10,149.44x = 54,419,806.97
  5. Step 5: Solve for x
    x = 54,419,806.97/10,149.44
  6. Step 6: Final answer
    x = 5,361.85

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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.