Home / 11,644.06-16,068.81-6,338.92

Finding the Fourth Proportional to 11,644.06, 16,068.81 and 6,338.92

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Solution

The fourth proportional to 11,644.06, 16,068.81 and 6,338.92 is: 8,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.06 : 16,068.81 = 6,338.92 : x
  2. Step 2: Convert to fraction form
    11,644.06/16,068.81 = 6,338.92/x
  3. Step 3: Cross multiply
    11,644.06x = 16,068.81 × 6,338.92
  4. Step 4: Simplify right side
    11,644.06x = 101,858,901.09
  5. Step 5: Solve for x
    x = 101,858,901.09/11,644.06
  6. Step 6: Final answer
    x = 8,747.71

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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.