Home / 11,112.40-16,641.60-5,906.80

Finding the Fourth Proportional to 11,112.40, 16,641.60 and 5,906.80

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Solution

The fourth proportional to 11,112.40, 16,641.60 and 5,906.80 is: 8,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.40 : 16,641.60 = 5,906.80 : x
  2. Step 2: Convert to fraction form
    11,112.40/16,641.60 = 5,906.80/x
  3. Step 3: Cross multiply
    11,112.40x = 16,641.60 × 5,906.80
  4. Step 4: Simplify right side
    11,112.40x = 98,298,602.88
  5. Step 5: Solve for x
    x = 98,298,602.88/11,112.40
  6. Step 6: Final answer
    x = 8,845.85

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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.