Home / 8,150.04-11,236.56-8,039.88

Finding the Fourth Proportional to 8,150.04, 11,236.56 and 8,039.88

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Solution

The fourth proportional to 8,150.04, 11,236.56 and 8,039.88 is: 11,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.04 : 11,236.56 = 8,039.88 : x
  2. Step 2: Convert to fraction form
    8,150.04/11,236.56 = 8,039.88/x
  3. Step 3: Cross multiply
    8,150.04x = 11,236.56 × 8,039.88
  4. Step 4: Simplify right side
    8,150.04x = 90,340,594.01
  5. Step 5: Solve for x
    x = 90,340,594.01/8,150.04
  6. Step 6: Final answer
    x = 11,084.68

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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.