Home / 11,157.28-16,713.13-6,229.54

Finding the Fourth Proportional to 11,157.28, 16,713.13 and 6,229.54

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Solution

The fourth proportional to 11,157.28, 16,713.13 and 6,229.54 is: 9,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.28 : 16,713.13 = 6,229.54 : x
  2. Step 2: Convert to fraction form
    11,157.28/16,713.13 = 6,229.54/x
  3. Step 3: Cross multiply
    11,157.28x = 16,713.13 × 6,229.54
  4. Step 4: Simplify right side
    11,157.28x = 104,115,111.86
  5. Step 5: Solve for x
    x = 104,115,111.86/11,157.28
  6. Step 6: Final answer
    x = 9,331.59

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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.