Home / 9,861.30-14,793.74-3,286.86

Finding the Fourth Proportional to 9,861.30, 14,793.74 and 3,286.86

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Solution

The fourth proportional to 9,861.30, 14,793.74 and 3,286.86 is: 4,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.30 : 14,793.74 = 3,286.86 : x
  2. Step 2: Convert to fraction form
    9,861.30/14,793.74 = 3,286.86/x
  3. Step 3: Cross multiply
    9,861.30x = 14,793.74 × 3,286.86
  4. Step 4: Simplify right side
    9,861.30x = 48,624,952.26
  5. Step 5: Solve for x
    x = 48,624,952.26/9,861.30
  6. Step 6: Final answer
    x = 4,930.89

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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.