Home / 11,455.66-17,183.48-3,135.75

Finding the Fourth Proportional to 11,455.66, 17,183.48 and 3,135.75

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Solution

The fourth proportional to 11,455.66, 17,183.48 and 3,135.75 is: 4,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.66 : 17,183.48 = 3,135.75 : x
  2. Step 2: Convert to fraction form
    11,455.66/17,183.48 = 3,135.75/x
  3. Step 3: Cross multiply
    11,455.66x = 17,183.48 × 3,135.75
  4. Step 4: Simplify right side
    11,455.66x = 53,883,097.41
  5. Step 5: Solve for x
    x = 53,883,097.41/11,455.66
  6. Step 6: Final answer
    x = 4,703.62

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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.