Home / 13,609.71-20,414.58-4,250.54

Finding the Fourth Proportional to 13,609.71, 20,414.58 and 4,250.54

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Solution

The fourth proportional to 13,609.71, 20,414.58 and 4,250.54 is: 6,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609.71 : 20,414.58 = 4,250.54 : x
  2. Step 2: Convert to fraction form
    13,609.71/20,414.58 = 4,250.54/x
  3. Step 3: Cross multiply
    13,609.71x = 20,414.58 × 4,250.54
  4. Step 4: Simplify right side
    13,609.71x = 86,772,886.80
  5. Step 5: Solve for x
    x = 86,772,886.80/13,609.71
  6. Step 6: Final answer
    x = 6,375.81

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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.