Home / 20,965.41-31,441.46-6,922.82

Finding the Fourth Proportional to 20,965.41, 31,441.46 and 6,922.82

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Solution

The fourth proportional to 20,965.41, 31,441.46 and 6,922.82 is: 10,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,965.41 : 31,441.46 = 6,922.82 : x
  2. Step 2: Convert to fraction form
    20,965.41/31,441.46 = 6,922.82/x
  3. Step 3: Cross multiply
    20,965.41x = 31,441.46 × 6,922.82
  4. Step 4: Simplify right side
    20,965.41x = 217,663,646.38
  5. Step 5: Solve for x
    x = 217,663,646.38/20,965.41
  6. Step 6: Final answer
    x = 10,382.03

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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.