Home / 11,465.38-17,183.26-5,135.63

Finding the Fourth Proportional to 11,465.38, 17,183.26 and 5,135.63

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Solution

The fourth proportional to 11,465.38, 17,183.26 and 5,135.63 is: 7,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.38 : 17,183.26 = 5,135.63 : x
  2. Step 2: Convert to fraction form
    11,465.38/17,183.26 = 5,135.63/x
  3. Step 3: Cross multiply
    11,465.38x = 17,183.26 × 5,135.63
  4. Step 4: Simplify right side
    11,465.38x = 88,246,839.88
  5. Step 5: Solve for x
    x = 88,246,839.88/11,465.38
  6. Step 6: Final answer
    x = 7,696.81

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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.