Home / 20,200.26-30,300.39-6,349.26

Finding the Fourth Proportional to 20,200.26, 30,300.39 and 6,349.26

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Solution

The fourth proportional to 20,200.26, 30,300.39 and 6,349.26 is: 9,523.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.26 : 30,300.39 = 6,349.26 : x
  2. Step 2: Convert to fraction form
    20,200.26/30,300.39 = 6,349.26/x
  3. Step 3: Cross multiply
    20,200.26x = 30,300.39 × 6,349.26
  4. Step 4: Simplify right side
    20,200.26x = 192,384,962.59
  5. Step 5: Solve for x
    x = 192,384,962.59/20,200.26
  6. Step 6: Final answer
    x = 9,523.89

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Double scale
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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.