Home / 13,602.70-20,404.28-3,741.92

Finding the Fourth Proportional to 13,602.70, 20,404.28 and 3,741.92

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Solution

The fourth proportional to 13,602.70, 20,404.28 and 3,741.92 is: 5,612.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602.70 : 20,404.28 = 3,741.92 : x
  2. Step 2: Convert to fraction form
    13,602.70/20,404.28 = 3,741.92/x
  3. Step 3: Cross multiply
    13,602.70x = 20,404.28 × 3,741.92
  4. Step 4: Simplify right side
    13,602.70x = 76,351,183.42
  5. Step 5: Solve for x
    x = 76,351,183.42/13,602.70
  6. Step 6: Final answer
    x = 5,612.94

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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.