Home / 11,002.80-15,183.96-6,287.76

Finding the Fourth Proportional to 11,002.80, 15,183.96 and 6,287.76

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Solution

The fourth proportional to 11,002.80, 15,183.96 and 6,287.76 is: 8,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.80 : 15,183.96 = 6,287.76 : x
  2. Step 2: Convert to fraction form
    11,002.80/15,183.96 = 6,287.76/x
  3. Step 3: Cross multiply
    11,002.80x = 15,183.96 × 6,287.76
  4. Step 4: Simplify right side
    11,002.80x = 95,473,096.33
  5. Step 5: Solve for x
    x = 95,473,096.33/11,002.80
  6. Step 6: Final answer
    x = 8,677.16

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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.