Home / 11,189.20-16,794.60-5,648.80

Finding the Fourth Proportional to 11,189.20, 16,794.60 and 5,648.80

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Solution

The fourth proportional to 11,189.20, 16,794.60 and 5,648.80 is: 8,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.20 : 16,794.60 = 5,648.80 : x
  2. Step 2: Convert to fraction form
    11,189.20/16,794.60 = 5,648.80/x
  3. Step 3: Cross multiply
    11,189.20x = 16,794.60 × 5,648.80
  4. Step 4: Simplify right side
    11,189.20x = 94,869,336.48
  5. Step 5: Solve for x
    x = 94,869,336.48/11,189.20
  6. Step 6: Final answer
    x = 8,478.65

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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.