Home / 13,604.85-20,407.68-3,744.27

Finding the Fourth Proportional to 13,604.85, 20,407.68 and 3,744.27

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Solution

The fourth proportional to 13,604.85, 20,407.68 and 3,744.27 is: 5,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.85 : 20,407.68 = 3,744.27 : x
  2. Step 2: Convert to fraction form
    13,604.85/20,407.68 = 3,744.27/x
  3. Step 3: Cross multiply
    13,604.85x = 20,407.68 × 3,744.27
  4. Step 4: Simplify right side
    13,604.85x = 76,411,863.99
  5. Step 5: Solve for x
    x = 76,411,863.99/13,604.85
  6. Step 6: Final answer
    x = 5,616.52

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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.