Home / 11,226.53-15,491.86-6,190.76

Finding the Fourth Proportional to 11,226.53, 15,491.86 and 6,190.76

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Solution

The fourth proportional to 11,226.53, 15,491.86 and 6,190.76 is: 8,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.53 : 15,491.86 = 6,190.76 : x
  2. Step 2: Convert to fraction form
    11,226.53/15,491.86 = 6,190.76/x
  3. Step 3: Cross multiply
    11,226.53x = 15,491.86 × 6,190.76
  4. Step 4: Simplify right side
    11,226.53x = 95,906,410.47
  5. Step 5: Solve for x
    x = 95,906,410.47/11,226.53
  6. Step 6: Final answer
    x = 8,542.83

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.