Home / 13,645.33-20,468.03-4,157.73

Finding the Fourth Proportional to 13,645.33, 20,468.03 and 4,157.73

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Solution

The fourth proportional to 13,645.33, 20,468.03 and 4,157.73 is: 6,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.33 : 20,468.03 = 4,157.73 : x
  2. Step 2: Convert to fraction form
    13,645.33/20,468.03 = 4,157.73/x
  3. Step 3: Cross multiply
    13,645.33x = 20,468.03 × 4,157.73
  4. Step 4: Simplify right side
    13,645.33x = 85,100,521.58
  5. Step 5: Solve for x
    x = 85,100,521.58/13,645.33
  6. Step 6: Final answer
    x = 6,236.61

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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.