Home / 11,027.10-15,216.75-8,227.74

Finding the Fourth Proportional to 11,027.10, 15,216.75 and 8,227.74

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Solution

The fourth proportional to 11,027.10, 15,216.75 and 8,227.74 is: 11,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.10 : 15,216.75 = 8,227.74 : x
  2. Step 2: Convert to fraction form
    11,027.10/15,216.75 = 8,227.74/x
  3. Step 3: Cross multiply
    11,027.10x = 15,216.75 × 8,227.74
  4. Step 4: Simplify right side
    11,027.10x = 125,199,462.65
  5. Step 5: Solve for x
    x = 125,199,462.65/11,027.10
  6. Step 6: Final answer
    x = 11,353.80

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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.