Home / 13,841.26-20,761.98-3,453.10

Finding the Fourth Proportional to 13,841.26, 20,761.98 and 3,453.10

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Solution

The fourth proportional to 13,841.26, 20,761.98 and 3,453.10 is: 5,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.26 : 20,761.98 = 3,453.10 : x
  2. Step 2: Convert to fraction form
    13,841.26/20,761.98 = 3,453.10/x
  3. Step 3: Cross multiply
    13,841.26x = 20,761.98 × 3,453.10
  4. Step 4: Simplify right side
    13,841.26x = 71,693,193.14
  5. Step 5: Solve for x
    x = 71,693,193.14/13,841.26
  6. Step 6: Final answer
    x = 5,179.67

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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.