Home / 10,834.06-16,230.30-6,661.78

Finding the Fourth Proportional to 10,834.06, 16,230.30 and 6,661.78

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Solution

The fourth proportional to 10,834.06, 16,230.30 and 6,661.78 is: 9,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.06 : 16,230.30 = 6,661.78 : x
  2. Step 2: Convert to fraction form
    10,834.06/16,230.30 = 6,661.78/x
  3. Step 3: Cross multiply
    10,834.06x = 16,230.30 × 6,661.78
  4. Step 4: Simplify right side
    10,834.06x = 108,122,687.93
  5. Step 5: Solve for x
    x = 108,122,687.93/10,834.06
  6. Step 6: Final answer
    x = 9,979.89

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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.