Home / 10,121.58-15,183.36-4,197.24

Finding the Fourth Proportional to 10,121.58, 15,183.36 and 4,197.24

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Solution

The fourth proportional to 10,121.58, 15,183.36 and 4,197.24 is: 6,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.58 : 15,183.36 = 4,197.24 : x
  2. Step 2: Convert to fraction form
    10,121.58/15,183.36 = 4,197.24/x
  3. Step 3: Cross multiply
    10,121.58x = 15,183.36 × 4,197.24
  4. Step 4: Simplify right side
    10,121.58x = 63,728,205.93
  5. Step 5: Solve for x
    x = 63,728,205.93/10,121.58
  6. Step 6: Final answer
    x = 6,296.27

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Double scale
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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.