Home / 11,537.03-15,912.05-8,350.80

Finding the Fourth Proportional to 11,537.03, 15,912.05 and 8,350.80

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Solution

The fourth proportional to 11,537.03, 15,912.05 and 8,350.80 is: 11,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.03 : 15,912.05 = 8,350.80 : x
  2. Step 2: Convert to fraction form
    11,537.03/15,912.05 = 8,350.80/x
  3. Step 3: Cross multiply
    11,537.03x = 15,912.05 × 8,350.80
  4. Step 4: Simplify right side
    11,537.03x = 132,878,245.72
  5. Step 5: Solve for x
    x = 132,878,245.72/11,537.03
  6. Step 6: Final answer
    x = 11,517.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.