Home / 11,157.55-16,732.37-8,028.21

Finding the Fourth Proportional to 11,157.55, 16,732.37 and 8,028.21

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Solution

The fourth proportional to 11,157.55, 16,732.37 and 8,028.21 is: 12,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.55 : 16,732.37 = 8,028.21 : x
  2. Step 2: Convert to fraction form
    11,157.55/16,732.37 = 8,028.21/x
  3. Step 3: Cross multiply
    11,157.55x = 16,732.37 × 8,028.21
  4. Step 4: Simplify right side
    11,157.55x = 134,331,062.97
  5. Step 5: Solve for x
    x = 134,331,062.97/11,157.55
  6. Step 6: Final answer
    x = 12,039.48

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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.