Home / 9,150.26-12,626.67-5,171.75

Finding the Fourth Proportional to 9,150.26, 12,626.67 and 5,171.75

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Solution

The fourth proportional to 9,150.26, 12,626.67 and 5,171.75 is: 7,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.26 : 12,626.67 = 5,171.75 : x
  2. Step 2: Convert to fraction form
    9,150.26/12,626.67 = 5,171.75/x
  3. Step 3: Cross multiply
    9,150.26x = 12,626.67 × 5,171.75
  4. Step 4: Simplify right side
    9,150.26x = 65,301,891.58
  5. Step 5: Solve for x
    x = 65,301,891.58/9,150.26
  6. Step 6: Final answer
    x = 7,136.62

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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.