Home / 13,769.85-20,654.87-4,411.29

Finding the Fourth Proportional to 13,769.85, 20,654.87 and 4,411.29

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Solution

The fourth proportional to 13,769.85, 20,654.87 and 4,411.29 is: 6,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.85 : 20,654.87 = 4,411.29 : x
  2. Step 2: Convert to fraction form
    13,769.85/20,654.87 = 4,411.29/x
  3. Step 3: Cross multiply
    13,769.85x = 20,654.87 × 4,411.29
  4. Step 4: Simplify right side
    13,769.85x = 91,114,599.43
  5. Step 5: Solve for x
    x = 91,114,599.43/13,769.85
  6. Step 6: Final answer
    x = 6,616.96

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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.