Home / 13,383.18-20,074.59-4,149.18

Finding the Fourth Proportional to 13,383.18, 20,074.59 and 4,149.18

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Solution

The fourth proportional to 13,383.18, 20,074.59 and 4,149.18 is: 6,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.18 : 20,074.59 = 4,149.18 : x
  2. Step 2: Convert to fraction form
    13,383.18/20,074.59 = 4,149.18/x
  3. Step 3: Cross multiply
    13,383.18x = 20,074.59 × 4,149.18
  4. Step 4: Simplify right side
    13,383.18x = 83,293,087.34
  5. Step 5: Solve for x
    x = 83,293,087.34/13,383.18
  6. Step 6: Final answer
    x = 6,223.71

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Similar ratio
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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.