Home / 10,286.64-15,414.84-5,605.92

Finding the Fourth Proportional to 10,286.64, 15,414.84 and 5,605.92

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Solution

The fourth proportional to 10,286.64, 15,414.84 and 5,605.92 is: 8,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.64 : 15,414.84 = 5,605.92 : x
  2. Step 2: Convert to fraction form
    10,286.64/15,414.84 = 5,605.92/x
  3. Step 3: Cross multiply
    10,286.64x = 15,414.84 × 5,605.92
  4. Step 4: Simplify right side
    10,286.64x = 86,414,359.85
  5. Step 5: Solve for x
    x = 86,414,359.85/10,286.64
  6. Step 6: Final answer
    x = 8,400.64

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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.