Home / 16,942.92-23,389.37-11,911.46

Finding the Fourth Proportional to 16,942.92, 23,389.37 and 11,911.46

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Solution

The fourth proportional to 16,942.92, 23,389.37 and 11,911.46 is: 16,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.92 : 23,389.37 = 11,911.46 : x
  2. Step 2: Convert to fraction form
    16,942.92/23,389.37 = 11,911.46/x
  3. Step 3: Cross multiply
    16,942.92x = 23,389.37 × 11,911.46
  4. Step 4: Simplify right side
    16,942.92x = 278,601,545.18
  5. Step 5: Solve for x
    x = 278,601,545.18/16,942.92
  6. Step 6: Final answer
    x = 16,443.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.