Home / 20,146.92-30,220.37-6,295.92

Finding the Fourth Proportional to 20,146.92, 30,220.37 and 6,295.92

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Solution

The fourth proportional to 20,146.92, 30,220.37 and 6,295.92 is: 9,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.92 : 30,220.37 = 6,295.92 : x
  2. Step 2: Convert to fraction form
    20,146.92/30,220.37 = 6,295.92/x
  3. Step 3: Cross multiply
    20,146.92x = 30,220.37 × 6,295.92
  4. Step 4: Simplify right side
    20,146.92x = 190,265,031.89
  5. Step 5: Solve for x
    x = 190,265,031.89/20,146.92
  6. Step 6: Final answer
    x = 9,443.88

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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.