Home / 16,940.76-23,380.97-10,989.73

Finding the Fourth Proportional to 16,940.76, 23,380.97 and 10,989.73

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Solution

The fourth proportional to 16,940.76, 23,380.97 and 10,989.73 is: 15,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.76 : 23,380.97 = 10,989.73 : x
  2. Step 2: Convert to fraction form
    16,940.76/23,380.97 = 10,989.73/x
  3. Step 3: Cross multiply
    16,940.76x = 23,380.97 × 10,989.73
  4. Step 4: Simplify right side
    16,940.76x = 256,950,547.44
  5. Step 5: Solve for x
    x = 256,950,547.44/16,940.76
  6. Step 6: Final answer
    x = 15,167.59

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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.