Home / 10,806.12-16,199.56-4,236.88

Finding the Fourth Proportional to 10,806.12, 16,199.56 and 4,236.88

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Solution

The fourth proportional to 10,806.12, 16,199.56 and 4,236.88 is: 6,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.12 : 16,199.56 = 4,236.88 : x
  2. Step 2: Convert to fraction form
    10,806.12/16,199.56 = 4,236.88/x
  3. Step 3: Cross multiply
    10,806.12x = 16,199.56 × 4,236.88
  4. Step 4: Simplify right side
    10,806.12x = 68,635,591.77
  5. Step 5: Solve for x
    x = 68,635,591.77/10,806.12
  6. Step 6: Final answer
    x = 6,351.55

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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.