Home / 13,388.49-20,083.05-4,503.96

Finding the Fourth Proportional to 13,388.49, 20,083.05 and 4,503.96

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Solution

The fourth proportional to 13,388.49, 20,083.05 and 4,503.96 is: 6,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.49 : 20,083.05 = 4,503.96 : x
  2. Step 2: Convert to fraction form
    13,388.49/20,083.05 = 4,503.96/x
  3. Step 3: Cross multiply
    13,388.49x = 20,083.05 × 4,503.96
  4. Step 4: Simplify right side
    13,388.49x = 90,453,253.88
  5. Step 5: Solve for x
    x = 90,453,253.88/13,388.49
  6. Step 6: Final answer
    x = 6,756.05

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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.