Home / 16,786.28-23,163.24-9,711.38

Finding the Fourth Proportional to 16,786.28, 23,163.24 and 9,711.38

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Solution

The fourth proportional to 16,786.28, 23,163.24 and 9,711.38 is: 13,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.28 : 23,163.24 = 9,711.38 : x
  2. Step 2: Convert to fraction form
    16,786.28/23,163.24 = 9,711.38/x
  3. Step 3: Cross multiply
    16,786.28x = 23,163.24 × 9,711.38
  4. Step 4: Simplify right side
    16,786.28x = 224,946,909.86
  5. Step 5: Solve for x
    x = 224,946,909.86/16,786.28
  6. Step 6: Final answer
    x = 13,400.64

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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.