Home / 10,863.62-16,284.36-4,286.16

Finding the Fourth Proportional to 10,863.62, 16,284.36 and 4,286.16

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Solution

The fourth proportional to 10,863.62, 16,284.36 and 4,286.16 is: 6,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.62 : 16,284.36 = 4,286.16 : x
  2. Step 2: Convert to fraction form
    10,863.62/16,284.36 = 4,286.16/x
  3. Step 3: Cross multiply
    10,863.62x = 16,284.36 × 4,286.16
  4. Step 4: Simplify right side
    10,863.62x = 69,797,372.46
  5. Step 5: Solve for x
    x = 69,797,372.46/10,863.62
  6. Step 6: Final answer
    x = 6,424.87

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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.