Home / 20,960.52-31,445.19-6,168.20

Finding the Fourth Proportional to 20,960.52, 31,445.19 and 6,168.20

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Solution

The fourth proportional to 20,960.52, 31,445.19 and 6,168.20 is: 9,253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,960.52 : 31,445.19 = 6,168.20 : x
  2. Step 2: Convert to fraction form
    20,960.52/31,445.19 = 6,168.20/x
  3. Step 3: Cross multiply
    20,960.52x = 31,445.19 × 6,168.20
  4. Step 4: Simplify right side
    20,960.52x = 193,960,063.73
  5. Step 5: Solve for x
    x = 193,960,063.73/20,960.52
  6. Step 6: Final answer
    x = 9,253.59

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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.