Home / 10,286.92-15,436.68-4,443.40

Finding the Fourth Proportional to 10,286.92, 15,436.68 and 4,443.40

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Solution

The fourth proportional to 10,286.92, 15,436.68 and 4,443.40 is: 6,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.92 : 15,436.68 = 4,443.40 : x
  2. Step 2: Convert to fraction form
    10,286.92/15,436.68 = 4,443.40/x
  3. Step 3: Cross multiply
    10,286.92x = 15,436.68 × 4,443.40
  4. Step 4: Simplify right side
    10,286.92x = 68,591,343.91
  5. Step 5: Solve for x
    x = 68,591,343.91/10,286.92
  6. Step 6: Final answer
    x = 6,667.82

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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.