Home / 20,183.02-30,274.54-9,650.55

Finding the Fourth Proportional to 20,183.02, 30,274.54 and 9,650.55

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Solution

The fourth proportional to 20,183.02, 30,274.54 and 9,650.55 is: 14,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.02 : 30,274.54 = 9,650.55 : x
  2. Step 2: Convert to fraction form
    20,183.02/30,274.54 = 9,650.55/x
  3. Step 3: Cross multiply
    20,183.02x = 30,274.54 × 9,650.55
  4. Step 4: Simplify right side
    20,183.02x = 292,165,962.00
  5. Step 5: Solve for x
    x = 292,165,962.00/20,183.02
  6. Step 6: Final answer
    x = 14,475.83

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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.