Home / 13,636.41-20,454.61-3,775.68

Finding the Fourth Proportional to 13,636.41, 20,454.61 and 3,775.68

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Solution

The fourth proportional to 13,636.41, 20,454.61 and 3,775.68 is: 5,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.41 : 20,454.61 = 3,775.68 : x
  2. Step 2: Convert to fraction form
    13,636.41/20,454.61 = 3,775.68/x
  3. Step 3: Cross multiply
    13,636.41x = 20,454.61 × 3,775.68
  4. Step 4: Simplify right side
    13,636.41x = 77,230,103.58
  5. Step 5: Solve for x
    x = 77,230,103.58/13,636.41
  6. Step 6: Final answer
    x = 5,663.52

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Similar ratio
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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.