Home / 20,833.98-31,250.27-8,350.66

Finding the Fourth Proportional to 20,833.98, 31,250.27 and 8,350.66

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Solution

The fourth proportional to 20,833.98, 31,250.27 and 8,350.66 is: 12,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833.98 : 31,250.27 = 8,350.66 : x
  2. Step 2: Convert to fraction form
    20,833.98/31,250.27 = 8,350.66/x
  3. Step 3: Cross multiply
    20,833.98x = 31,250.27 × 8,350.66
  4. Step 4: Simplify right side
    20,833.98x = 260,960,379.68
  5. Step 5: Solve for x
    x = 260,960,379.68/20,833.98
  6. Step 6: Final answer
    x = 12,525.71

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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.