Home / 13,841.72-20,762.51-3,453.47

Finding the Fourth Proportional to 13,841.72, 20,762.51 and 3,453.47

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Solution

The fourth proportional to 13,841.72, 20,762.51 and 3,453.47 is: 5,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.72 : 20,762.51 = 3,453.47 : x
  2. Step 2: Convert to fraction form
    13,841.72/20,762.51 = 3,453.47/x
  3. Step 3: Cross multiply
    13,841.72x = 20,762.51 × 3,453.47
  4. Step 4: Simplify right side
    13,841.72x = 71,702,584.33
  5. Step 5: Solve for x
    x = 71,702,584.33/13,841.72
  6. Step 6: Final answer
    x = 5,180.18

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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.