Home / 13,841.76-20,762.73-3,453.60

Finding the Fourth Proportional to 13,841.76, 20,762.73 and 3,453.60

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Solution

The fourth proportional to 13,841.76, 20,762.73 and 3,453.60 is: 5,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.76 : 20,762.73 = 3,453.60 : x
  2. Step 2: Convert to fraction form
    13,841.76/20,762.73 = 3,453.60/x
  3. Step 3: Cross multiply
    13,841.76x = 20,762.73 × 3,453.60
  4. Step 4: Simplify right side
    13,841.76x = 71,706,164.33
  5. Step 5: Solve for x
    x = 71,706,164.33/13,841.76
  6. Step 6: Final answer
    x = 5,180.42

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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.