Home / 11,310.82-15,608.91-6,275.80

Finding the Fourth Proportional to 11,310.82, 15,608.91 and 6,275.80

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Solution

The fourth proportional to 11,310.82, 15,608.91 and 6,275.80 is: 8,660.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.82 : 15,608.91 = 6,275.80 : x
  2. Step 2: Convert to fraction form
    11,310.82/15,608.91 = 6,275.80/x
  3. Step 3: Cross multiply
    11,310.82x = 15,608.91 × 6,275.80
  4. Step 4: Simplify right side
    11,310.82x = 97,958,397.38
  5. Step 5: Solve for x
    x = 97,958,397.38/11,310.82
  6. Step 6: Final answer
    x = 8,660.59

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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.