Home / 12,122.65-18,183.98-5,544.24

Finding the Fourth Proportional to 12,122.65, 18,183.98 and 5,544.24

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Solution

The fourth proportional to 12,122.65, 18,183.98 and 5,544.24 is: 8,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122.65 : 18,183.98 = 5,544.24 : x
  2. Step 2: Convert to fraction form
    12,122.65/18,183.98 = 5,544.24/x
  3. Step 3: Cross multiply
    12,122.65x = 18,183.98 × 5,544.24
  4. Step 4: Simplify right side
    12,122.65x = 100,816,349.28
  5. Step 5: Solve for x
    x = 100,816,349.28/12,122.65
  6. Step 6: Final answer
    x = 8,316.36

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Double scale
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Similar ratio
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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.