Home / 10,121.45-13,976.15-6,350.94

Finding the Fourth Proportional to 10,121.45, 13,976.15 and 6,350.94

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Solution

The fourth proportional to 10,121.45, 13,976.15 and 6,350.94 is: 8,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.45 : 13,976.15 = 6,350.94 : x
  2. Step 2: Convert to fraction form
    10,121.45/13,976.15 = 6,350.94/x
  3. Step 3: Cross multiply
    10,121.45x = 13,976.15 × 6,350.94
  4. Step 4: Simplify right side
    10,121.45x = 88,761,658.33
  5. Step 5: Solve for x
    x = 88,761,658.33/10,121.45
  6. Step 6: Final answer
    x = 8,769.66

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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.