Home / 13,496.89-20,245.81-3,636.41

Finding the Fourth Proportional to 13,496.89, 20,245.81 and 3,636.41

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Solution

The fourth proportional to 13,496.89, 20,245.81 and 3,636.41 is: 5,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.89 : 20,245.81 = 3,636.41 : x
  2. Step 2: Convert to fraction form
    13,496.89/20,245.81 = 3,636.41/x
  3. Step 3: Cross multiply
    13,496.89x = 20,245.81 × 3,636.41
  4. Step 4: Simplify right side
    13,496.89x = 73,621,996.02
  5. Step 5: Solve for x
    x = 73,621,996.02/13,496.89
  6. Step 6: Final answer
    x = 5,454.74

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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.