Home / 20,126.54-30,198.35-10,764.13

Finding the Fourth Proportional to 20,126.54, 30,198.35 and 10,764.13

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Solution

The fourth proportional to 20,126.54, 30,198.35 and 10,764.13 is: 16,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126.54 : 30,198.35 = 10,764.13 : x
  2. Step 2: Convert to fraction form
    20,126.54/30,198.35 = 10,764.13/x
  3. Step 3: Cross multiply
    20,126.54x = 30,198.35 × 10,764.13
  4. Step 4: Simplify right side
    20,126.54x = 325,058,760.37
  5. Step 5: Solve for x
    x = 325,058,760.37/20,126.54
  6. Step 6: Final answer
    x = 16,150.76

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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.