Home / 16,786.72-23,163.84-9,711.82

Finding the Fourth Proportional to 16,786.72, 23,163.84 and 9,711.82

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Solution

The fourth proportional to 16,786.72, 23,163.84 and 9,711.82 is: 13,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.72 : 23,163.84 = 9,711.82 : x
  2. Step 2: Convert to fraction form
    16,786.72/23,163.84 = 9,711.82/x
  3. Step 3: Cross multiply
    16,786.72x = 23,163.84 × 9,711.82
  4. Step 4: Simplify right side
    16,786.72x = 224,963,044.59
  5. Step 5: Solve for x
    x = 224,963,044.59/16,786.72
  6. Step 6: Final answer
    x = 13,401.25

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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.