Home / 11,147.41-16,721.80-3,751.25

Finding the Fourth Proportional to 11,147.41, 16,721.80 and 3,751.25

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Solution

The fourth proportional to 11,147.41, 16,721.80 and 3,751.25 is: 5,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.41 : 16,721.80 = 3,751.25 : x
  2. Step 2: Convert to fraction form
    11,147.41/16,721.80 = 3,751.25/x
  3. Step 3: Cross multiply
    11,147.41x = 16,721.80 × 3,751.25
  4. Step 4: Simplify right side
    11,147.41x = 62,727,652.25
  5. Step 5: Solve for x
    x = 62,727,652.25/11,147.41
  6. Step 6: Final answer
    x = 5,627.11

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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.