Home / 8,231.54-12,332.90-6,853.74

Finding the Fourth Proportional to 8,231.54, 12,332.90 and 6,853.74

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Solution

The fourth proportional to 8,231.54, 12,332.90 and 6,853.74 is: 10,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.54 : 12,332.90 = 6,853.74 : x
  2. Step 2: Convert to fraction form
    8,231.54/12,332.90 = 6,853.74/x
  3. Step 3: Cross multiply
    8,231.54x = 12,332.90 × 6,853.74
  4. Step 4: Simplify right side
    8,231.54x = 84,526,490.05
  5. Step 5: Solve for x
    x = 84,526,490.05/8,231.54
  6. Step 6: Final answer
    x = 10,268.61

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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.