Home / 10,286.44-14,195.55-6,309.74

Finding the Fourth Proportional to 10,286.44, 14,195.55 and 6,309.74

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Solution

The fourth proportional to 10,286.44, 14,195.55 and 6,309.74 is: 8,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.44 : 14,195.55 = 6,309.74 : x
  2. Step 2: Convert to fraction form
    10,286.44/14,195.55 = 6,309.74/x
  3. Step 3: Cross multiply
    10,286.44x = 14,195.55 × 6,309.74
  4. Step 4: Simplify right side
    10,286.44x = 89,570,229.66
  5. Step 5: Solve for x
    x = 89,570,229.66/10,286.44
  6. Step 6: Final answer
    x = 8,707.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.