Home / 11,396.13-17,099.84-5,155.49

Finding the Fourth Proportional to 11,396.13, 17,099.84 and 5,155.49

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Solution

The fourth proportional to 11,396.13, 17,099.84 and 5,155.49 is: 7,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.13 : 17,099.84 = 5,155.49 : x
  2. Step 2: Convert to fraction form
    11,396.13/17,099.84 = 5,155.49/x
  3. Step 3: Cross multiply
    11,396.13x = 17,099.84 × 5,155.49
  4. Step 4: Simplify right side
    11,396.13x = 88,157,942.84
  5. Step 5: Solve for x
    x = 88,157,942.84/11,396.13
  6. Step 6: Final answer
    x = 7,735.78

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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.