Home / 13,414.82-20,122.66-6,395.60

Finding the Fourth Proportional to 13,414.82, 20,122.66 and 6,395.60

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Solution

The fourth proportional to 13,414.82, 20,122.66 and 6,395.60 is: 9,593.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.82 : 20,122.66 = 6,395.60 : x
  2. Step 2: Convert to fraction form
    13,414.82/20,122.66 = 6,395.60/x
  3. Step 3: Cross multiply
    13,414.82x = 20,122.66 × 6,395.60
  4. Step 4: Simplify right side
    13,414.82x = 128,696,484.30
  5. Step 5: Solve for x
    x = 128,696,484.30/13,414.82
  6. Step 6: Final answer
    x = 9,593.61

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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.