Home / 9,122.05-13,683.08-2,196.55

Finding the Fourth Proportional to 9,122.05, 13,683.08 and 2,196.55

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Solution

The fourth proportional to 9,122.05, 13,683.08 and 2,196.55 is: 3,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.05 : 13,683.08 = 2,196.55 : x
  2. Step 2: Convert to fraction form
    9,122.05/13,683.08 = 2,196.55/x
  3. Step 3: Cross multiply
    9,122.05x = 13,683.08 × 2,196.55
  4. Step 4: Simplify right side
    9,122.05x = 30,055,569.37
  5. Step 5: Solve for x
    x = 30,055,569.37/9,122.05
  6. Step 6: Final answer
    x = 3,294.83

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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.