Home / 11,236.42-16,856.78-4,310.38

Finding the Fourth Proportional to 11,236.42, 16,856.78 and 4,310.38

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Solution

The fourth proportional to 11,236.42, 16,856.78 and 4,310.38 is: 6,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.42 : 16,856.78 = 4,310.38 : x
  2. Step 2: Convert to fraction form
    11,236.42/16,856.78 = 4,310.38/x
  3. Step 3: Cross multiply
    11,236.42x = 16,856.78 × 4,310.38
  4. Step 4: Simplify right side
    11,236.42x = 72,659,127.38
  5. Step 5: Solve for x
    x = 72,659,127.38/11,236.42
  6. Step 6: Final answer
    x = 6,466.39

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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.