Home / 11,236.89-16,855.20-8,773.74

Finding the Fourth Proportional to 11,236.89, 16,855.20 and 8,773.74

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Solution

The fourth proportional to 11,236.89, 16,855.20 and 8,773.74 is: 13,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.89 : 16,855.20 = 8,773.74 : x
  2. Step 2: Convert to fraction form
    11,236.89/16,855.20 = 8,773.74/x
  3. Step 3: Cross multiply
    11,236.89x = 16,855.20 × 8,773.74
  4. Step 4: Simplify right side
    11,236.89x = 147,883,142.45
  5. Step 5: Solve for x
    x = 147,883,142.45/11,236.89
  6. Step 6: Final answer
    x = 13,160.50

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Half scale
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Double scale
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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.