Home / 20,764.82-31,149.03-5,974.94

Finding the Fourth Proportional to 20,764.82, 31,149.03 and 5,974.94

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Solution

The fourth proportional to 20,764.82, 31,149.03 and 5,974.94 is: 8,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,764.82 : 31,149.03 = 5,974.94 : x
  2. Step 2: Convert to fraction form
    20,764.82/31,149.03 = 5,974.94/x
  3. Step 3: Cross multiply
    20,764.82x = 31,149.03 × 5,974.94
  4. Step 4: Simplify right side
    20,764.82x = 186,113,585.31
  5. Step 5: Solve for x
    x = 186,113,585.31/20,764.82
  6. Step 6: Final answer
    x = 8,962.93

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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.