Home / 20,104.52-30,160.20-6,953.82

Finding the Fourth Proportional to 20,104.52, 30,160.20 and 6,953.82

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Solution

The fourth proportional to 20,104.52, 30,160.20 and 6,953.82 is: 10,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.52 : 30,160.20 = 6,953.82 : x
  2. Step 2: Convert to fraction form
    20,104.52/30,160.20 = 6,953.82/x
  3. Step 3: Cross multiply
    20,104.52x = 30,160.20 × 6,953.82
  4. Step 4: Simplify right side
    20,104.52x = 209,728,601.96
  5. Step 5: Solve for x
    x = 209,728,601.96/20,104.52
  6. Step 6: Final answer
    x = 10,431.92

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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.