Home / 10,912.73-16,369.97-5,288.76

Finding the Fourth Proportional to 10,912.73, 16,369.97 and 5,288.76

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Solution

The fourth proportional to 10,912.73, 16,369.97 and 5,288.76 is: 7,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.73 : 16,369.97 = 5,288.76 : x
  2. Step 2: Convert to fraction form
    10,912.73/16,369.97 = 5,288.76/x
  3. Step 3: Cross multiply
    10,912.73x = 16,369.97 × 5,288.76
  4. Step 4: Simplify right side
    10,912.73x = 86,576,816.09
  5. Step 5: Solve for x
    x = 86,576,816.09/10,912.73
  6. Step 6: Final answer
    x = 7,933.57

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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.