Home / 17,943.93-26,912.97-11,280.87

Finding the Fourth Proportional to 17,943.93, 26,912.97 and 11,280.87

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Solution

The fourth proportional to 17,943.93, 26,912.97 and 11,280.87 is: 16,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.93 : 26,912.97 = 11,280.87 : x
  2. Step 2: Convert to fraction form
    17,943.93/26,912.97 = 11,280.87/x
  3. Step 3: Cross multiply
    17,943.93x = 26,912.97 × 11,280.87
  4. Step 4: Simplify right side
    17,943.93x = 303,601,715.88
  5. Step 5: Solve for x
    x = 303,601,715.88/17,943.93
  6. Step 6: Final answer
    x = 16,919.47

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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.