Home / 20,995.44-31,494.82-6,954.90

Finding the Fourth Proportional to 20,995.44, 31,494.82 and 6,954.90

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Solution

The fourth proportional to 20,995.44, 31,494.82 and 6,954.90 is: 10,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995.44 : 31,494.82 = 6,954.90 : x
  2. Step 2: Convert to fraction form
    20,995.44/31,494.82 = 6,954.90/x
  3. Step 3: Cross multiply
    20,995.44x = 31,494.82 × 6,954.90
  4. Step 4: Simplify right side
    20,995.44x = 219,043,323.62
  5. Step 5: Solve for x
    x = 219,043,323.62/20,995.44
  6. Step 6: Final answer
    x = 10,432.90

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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.