Home / 11,108.92-15,323.24-8,450.50

Finding the Fourth Proportional to 11,108.92, 15,323.24 and 8,450.50

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Solution

The fourth proportional to 11,108.92, 15,323.24 and 8,450.50 is: 11,656.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.92 : 15,323.24 = 8,450.50 : x
  2. Step 2: Convert to fraction form
    11,108.92/15,323.24 = 8,450.50/x
  3. Step 3: Cross multiply
    11,108.92x = 15,323.24 × 8,450.50
  4. Step 4: Simplify right side
    11,108.92x = 129,489,039.62
  5. Step 5: Solve for x
    x = 129,489,039.62/11,108.92
  6. Step 6: Final answer
    x = 11,656.31

Related Problems

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Half scale
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Double scale
Find fourth proportional to 11,109.92, 15,324.62 and 8,451.50
Similar ratio
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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.