Home / 20,749.44-31,057.44-10,874.88

Finding the Fourth Proportional to 20,749.44, 31,057.44 and 10,874.88

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Solution

The fourth proportional to 20,749.44, 31,057.44 and 10,874.88 is: 16,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749.44 : 31,057.44 = 10,874.88 : x
  2. Step 2: Convert to fraction form
    20,749.44/31,057.44 = 10,874.88/x
  3. Step 3: Cross multiply
    20,749.44x = 31,057.44 × 10,874.88
  4. Step 4: Simplify right side
    20,749.44x = 337,745,933.11
  5. Step 5: Solve for x
    x = 337,745,933.11/20,749.44
  6. Step 6: Final answer
    x = 16,277.35

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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.