Home / 11,183.10-16,785.45-6,809.10

Finding the Fourth Proportional to 11,183.10, 16,785.45 and 6,809.10

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Solution

The fourth proportional to 11,183.10, 16,785.45 and 6,809.10 is: 10,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.10 : 16,785.45 = 6,809.10 : x
  2. Step 2: Convert to fraction form
    11,183.10/16,785.45 = 6,809.10/x
  3. Step 3: Cross multiply
    11,183.10x = 16,785.45 × 6,809.10
  4. Step 4: Simplify right side
    11,183.10x = 114,293,807.60
  5. Step 5: Solve for x
    x = 114,293,807.60/11,183.10
  6. Step 6: Final answer
    x = 10,220.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.