Home / 9,669.38-13,339.23-6,836.78

Finding the Fourth Proportional to 9,669.38, 13,339.23 and 6,836.78

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Solution

The fourth proportional to 9,669.38, 13,339.23 and 6,836.78 is: 9,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.38 : 13,339.23 = 6,836.78 : x
  2. Step 2: Convert to fraction form
    9,669.38/13,339.23 = 6,836.78/x
  3. Step 3: Cross multiply
    9,669.38x = 13,339.23 × 6,836.78
  4. Step 4: Simplify right side
    9,669.38x = 91,197,380.88
  5. Step 5: Solve for x
    x = 91,197,380.88/9,669.38
  6. Step 6: Final answer
    x = 9,431.56

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Half scale
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Double scale
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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.