Home / 10,286.82-15,430.32-2,495.64

Finding the Fourth Proportional to 10,286.82, 15,430.32 and 2,495.64

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Solution

The fourth proportional to 10,286.82, 15,430.32 and 2,495.64 is: 3,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.82 : 15,430.32 = 2,495.64 : x
  2. Step 2: Convert to fraction form
    10,286.82/15,430.32 = 2,495.64/x
  3. Step 3: Cross multiply
    10,286.82x = 15,430.32 × 2,495.64
  4. Step 4: Simplify right side
    10,286.82x = 38,508,523.80
  5. Step 5: Solve for x
    x = 38,508,523.80/10,286.82
  6. Step 6: Final answer
    x = 3,743.48

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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.