Home / 20,960.76-31,445.52-6,168.44

Finding the Fourth Proportional to 20,960.76, 31,445.52 and 6,168.44

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Solution

The fourth proportional to 20,960.76, 31,445.52 and 6,168.44 is: 9,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,960.76 : 31,445.52 = 6,168.44 : x
  2. Step 2: Convert to fraction form
    20,960.76/31,445.52 = 6,168.44/x
  3. Step 3: Cross multiply
    20,960.76x = 31,445.52 × 6,168.44
  4. Step 4: Simplify right side
    20,960.76x = 193,969,803.39
  5. Step 5: Solve for x
    x = 193,969,803.39/20,960.76
  6. Step 6: Final answer
    x = 9,253.95

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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.