Home / 9,912.11-14,869.83-4,914.73

Finding the Fourth Proportional to 9,912.11, 14,869.83 and 4,914.73

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Solution

The fourth proportional to 9,912.11, 14,869.83 and 4,914.73 is: 7,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.11 : 14,869.83 = 4,914.73 : x
  2. Step 2: Convert to fraction form
    9,912.11/14,869.83 = 4,914.73/x
  3. Step 3: Cross multiply
    9,912.11x = 14,869.83 × 4,914.73
  4. Step 4: Simplify right side
    9,912.11x = 73,081,179.85
  5. Step 5: Solve for x
    x = 73,081,179.85/9,912.11
  6. Step 6: Final answer
    x = 7,372.92

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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.