Home / 9,382.96-12,930.60-6,725.89

Finding the Fourth Proportional to 9,382.96, 12,930.60 and 6,725.89

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Solution

The fourth proportional to 9,382.96, 12,930.60 and 6,725.89 is: 9,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.96 : 12,930.60 = 6,725.89 : x
  2. Step 2: Convert to fraction form
    9,382.96/12,930.60 = 6,725.89/x
  3. Step 3: Cross multiply
    9,382.96x = 12,930.60 × 6,725.89
  4. Step 4: Simplify right side
    9,382.96x = 86,969,793.23
  5. Step 5: Solve for x
    x = 86,969,793.23/9,382.96
  6. Step 6: Final answer
    x = 9,268.91

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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.