Home / 9,149.53-12,626.03-5,170.56

Finding the Fourth Proportional to 9,149.53, 12,626.03 and 5,170.56

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Solution

The fourth proportional to 9,149.53, 12,626.03 and 5,170.56 is: 7,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.53 : 12,626.03 = 5,170.56 : x
  2. Step 2: Convert to fraction form
    9,149.53/12,626.03 = 5,170.56/x
  3. Step 3: Cross multiply
    9,149.53x = 12,626.03 × 5,170.56
  4. Step 4: Simplify right side
    9,149.53x = 65,283,556.69
  5. Step 5: Solve for x
    x = 65,283,556.69/9,149.53
  6. Step 6: Final answer
    x = 7,135.18

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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.