Home / 13,600.47-20,401.68-5,695.03

Finding the Fourth Proportional to 13,600.47, 20,401.68 and 5,695.03

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Solution

The fourth proportional to 13,600.47, 20,401.68 and 5,695.03 is: 8,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.47 : 20,401.68 = 5,695.03 : x
  2. Step 2: Convert to fraction form
    13,600.47/20,401.68 = 5,695.03/x
  3. Step 3: Cross multiply
    13,600.47x = 20,401.68 × 5,695.03
  4. Step 4: Simplify right side
    13,600.47x = 116,188,179.65
  5. Step 5: Solve for x
    x = 116,188,179.65/13,600.47
  6. Step 6: Final answer
    x = 8,542.95

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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.