Home / 10,861.92-16,292.88-3,069.72

Finding the Fourth Proportional to 10,861.92, 16,292.88 and 3,069.72

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Solution

The fourth proportional to 10,861.92, 16,292.88 and 3,069.72 is: 4,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.92 : 16,292.88 = 3,069.72 : x
  2. Step 2: Convert to fraction form
    10,861.92/16,292.88 = 3,069.72/x
  3. Step 3: Cross multiply
    10,861.92x = 16,292.88 × 3,069.72
  4. Step 4: Simplify right side
    10,861.92x = 50,014,579.59
  5. Step 5: Solve for x
    x = 50,014,579.59/10,861.92
  6. Step 6: Final answer
    x = 4,604.58

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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.