Home / 13,366.42-20,049.53-3,505.55

Finding the Fourth Proportional to 13,366.42, 20,049.53 and 3,505.55

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Solution

The fourth proportional to 13,366.42, 20,049.53 and 3,505.55 is: 5,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.42 : 20,049.53 = 3,505.55 : x
  2. Step 2: Convert to fraction form
    13,366.42/20,049.53 = 3,505.55/x
  3. Step 3: Cross multiply
    13,366.42x = 20,049.53 × 3,505.55
  4. Step 4: Simplify right side
    13,366.42x = 70,284,512.12
  5. Step 5: Solve for x
    x = 70,284,512.12/13,366.42
  6. Step 6: Final answer
    x = 5,258.29

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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.