Home / 20,364.60-30,546.90-13,366.20

Finding the Fourth Proportional to 20,364.60, 30,546.90 and 13,366.20

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Solution

The fourth proportional to 20,364.60, 30,546.90 and 13,366.20 is: 20,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.60 : 30,546.90 = 13,366.20 : x
  2. Step 2: Convert to fraction form
    20,364.60/30,546.90 = 13,366.20/x
  3. Step 3: Cross multiply
    20,364.60x = 30,546.90 × 13,366.20
  4. Step 4: Simplify right side
    20,364.60x = 408,295,974.78
  5. Step 5: Solve for x
    x = 408,295,974.78/20,364.60
  6. Step 6: Final answer
    x = 20,049.30

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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.