Home / 11,231.40-15,498.60-6,195.66

Finding the Fourth Proportional to 11,231.40, 15,498.60 and 6,195.66

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Solution

The fourth proportional to 11,231.40, 15,498.60 and 6,195.66 is: 8,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.40 : 15,498.60 = 6,195.66 : x
  2. Step 2: Convert to fraction form
    11,231.40/15,498.60 = 6,195.66/x
  3. Step 3: Cross multiply
    11,231.40x = 15,498.60 × 6,195.66
  4. Step 4: Simplify right side
    11,231.40x = 96,024,056.08
  5. Step 5: Solve for x
    x = 96,024,056.08/11,231.40
  6. Step 6: Final answer
    x = 8,549.61

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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.