Home / 11,152.66-16,729.97-3,147.50

Finding the Fourth Proportional to 11,152.66, 16,729.97 and 3,147.50

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Solution

The fourth proportional to 11,152.66, 16,729.97 and 3,147.50 is: 4,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.66 : 16,729.97 = 3,147.50 : x
  2. Step 2: Convert to fraction form
    11,152.66/16,729.97 = 3,147.50/x
  3. Step 3: Cross multiply
    11,152.66x = 16,729.97 × 3,147.50
  4. Step 4: Simplify right side
    11,152.66x = 52,657,540.72
  5. Step 5: Solve for x
    x = 52,657,540.72/11,152.66
  6. Step 6: Final answer
    x = 4,721.52

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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.