Home / 11,217.56-15,480.60-6,181.98

Finding the Fourth Proportional to 11,217.56, 15,480.60 and 6,181.98

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Solution

The fourth proportional to 11,217.56, 15,480.60 and 6,181.98 is: 8,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.56 : 15,480.60 = 6,181.98 : x
  2. Step 2: Convert to fraction form
    11,217.56/15,480.60 = 6,181.98/x
  3. Step 3: Cross multiply
    11,217.56x = 15,480.60 × 6,181.98
  4. Step 4: Simplify right side
    11,217.56x = 95,700,759.59
  5. Step 5: Solve for x
    x = 95,700,759.59/11,217.56
  6. Step 6: Final answer
    x = 8,531.33

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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.