Home / 21,231.15-31,841.61-6,234.71

Finding the Fourth Proportional to 21,231.15, 31,841.61 and 6,234.71

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Solution

The fourth proportional to 21,231.15, 31,841.61 and 6,234.71 is: 9,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,231.15 : 31,841.61 = 6,234.71 : x
  2. Step 2: Convert to fraction form
    21,231.15/31,841.61 = 6,234.71/x
  3. Step 3: Cross multiply
    21,231.15x = 31,841.61 × 6,234.71
  4. Step 4: Simplify right side
    21,231.15x = 198,523,021.69
  5. Step 5: Solve for x
    x = 198,523,021.69/21,231.15
  6. Step 6: Final answer
    x = 9,350.56

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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.