Home / 13,600.20-20,397.06-3,740.22

Finding the Fourth Proportional to 13,600.20, 20,397.06 and 3,740.22

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Solution

The fourth proportional to 13,600.20, 20,397.06 and 3,740.22 is: 5,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.20 : 20,397.06 = 3,740.22 : x
  2. Step 2: Convert to fraction form
    13,600.20/20,397.06 = 3,740.22/x
  3. Step 3: Cross multiply
    13,600.20x = 20,397.06 × 3,740.22
  4. Step 4: Simplify right side
    13,600.20x = 76,289,491.75
  5. Step 5: Solve for x
    x = 76,289,491.75/13,600.20
  6. Step 6: Final answer
    x = 5,609.44

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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.