Home / 11,754.54-17,630.96-5,515.97

Finding the Fourth Proportional to 11,754.54, 17,630.96 and 5,515.97

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Solution

The fourth proportional to 11,754.54, 17,630.96 and 5,515.97 is: 8,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.54 : 17,630.96 = 5,515.97 : x
  2. Step 2: Convert to fraction form
    11,754.54/17,630.96 = 5,515.97/x
  3. Step 3: Cross multiply
    11,754.54x = 17,630.96 × 5,515.97
  4. Step 4: Simplify right side
    11,754.54x = 97,251,730.70
  5. Step 5: Solve for x
    x = 97,251,730.70/11,754.54
  6. Step 6: Final answer
    x = 8,273.55

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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.