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Finding the Fourth Proportional to 9,660.44, 14,485.19 and 8,834.85

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Solution

The fourth proportional to 9,660.44, 14,485.19 and 8,834.85 is: 13,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.44 : 14,485.19 = 8,834.85 : x
  2. Step 2: Convert to fraction form
    9,660.44/14,485.19 = 8,834.85/x
  3. Step 3: Cross multiply
    9,660.44x = 14,485.19 × 8,834.85
  4. Step 4: Simplify right side
    9,660.44x = 127,974,480.87
  5. Step 5: Solve for x
    x = 127,974,480.87/9,660.44
  6. Step 6: Final answer
    x = 13,247.27

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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.