Home / 11,403.67-17,105.99-3,612.31

Finding the Fourth Proportional to 11,403.67, 17,105.99 and 3,612.31

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Solution

The fourth proportional to 11,403.67, 17,105.99 and 3,612.31 is: 5,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.67 : 17,105.99 = 3,612.31 : x
  2. Step 2: Convert to fraction form
    11,403.67/17,105.99 = 3,612.31/x
  3. Step 3: Cross multiply
    11,403.67x = 17,105.99 × 3,612.31
  4. Step 4: Simplify right side
    11,403.67x = 61,792,138.74
  5. Step 5: Solve for x
    x = 61,792,138.74/11,403.67
  6. Step 6: Final answer
    x = 5,418.62

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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.