Home / 11,285.17-15,571.33-6,249.15

Finding the Fourth Proportional to 11,285.17, 15,571.33 and 6,249.15

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Solution

The fourth proportional to 11,285.17, 15,571.33 and 6,249.15 is: 8,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.17 : 15,571.33 = 6,249.15 : x
  2. Step 2: Convert to fraction form
    11,285.17/15,571.33 = 6,249.15/x
  3. Step 3: Cross multiply
    11,285.17x = 15,571.33 × 6,249.15
  4. Step 4: Simplify right side
    11,285.17x = 97,307,561.25
  5. Step 5: Solve for x
    x = 97,307,561.25/11,285.17
  6. Step 6: Final answer
    x = 8,622.61

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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.