Home / 11,001.96-15,182.39-6,286.23

Finding the Fourth Proportional to 11,001.96, 15,182.39 and 6,286.23

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Solution

The fourth proportional to 11,001.96, 15,182.39 and 6,286.23 is: 8,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.96 : 15,182.39 = 6,286.23 : x
  2. Step 2: Convert to fraction form
    11,001.96/15,182.39 = 6,286.23/x
  3. Step 3: Cross multiply
    11,001.96x = 15,182.39 × 6,286.23
  4. Step 4: Simplify right side
    11,001.96x = 95,440,011.21
  5. Step 5: Solve for x
    x = 95,440,011.21/11,001.96
  6. Step 6: Final answer
    x = 8,674.82

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Half scale
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Double scale
Find fourth proportional to 11,002.96, 15,183.77 and 6,287.23
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.