Home / 11,822.38-16,309.62-6,785.39

Finding the Fourth Proportional to 11,822.38, 16,309.62 and 6,785.39

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Solution

The fourth proportional to 11,822.38, 16,309.62 and 6,785.39 is: 9,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.38 : 16,309.62 = 6,785.39 : x
  2. Step 2: Convert to fraction form
    11,822.38/16,309.62 = 6,785.39/x
  3. Step 3: Cross multiply
    11,822.38x = 16,309.62 × 6,785.39
  4. Step 4: Simplify right side
    11,822.38x = 110,667,173.23
  5. Step 5: Solve for x
    x = 110,667,173.23/11,822.38
  6. Step 6: Final answer
    x = 9,360.82

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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.