Home / 11,639.68-17,436.48-10,180.48

Finding the Fourth Proportional to 11,639.68, 17,436.48 and 10,180.48

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Solution

The fourth proportional to 11,639.68, 17,436.48 and 10,180.48 is: 15,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.68 : 17,436.48 = 10,180.48 : x
  2. Step 2: Convert to fraction form
    11,639.68/17,436.48 = 10,180.48/x
  3. Step 3: Cross multiply
    11,639.68x = 17,436.48 × 10,180.48
  4. Step 4: Simplify right side
    11,639.68x = 177,511,735.91
  5. Step 5: Solve for x
    x = 177,511,735.91/11,639.68
  6. Step 6: Final answer
    x = 15,250.57

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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.