Home / 16,786.28-23,163.81-9,711.34

Finding the Fourth Proportional to 16,786.28, 23,163.81 and 9,711.34

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Solution

The fourth proportional to 16,786.28, 23,163.81 and 9,711.34 is: 13,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.28 : 23,163.81 = 9,711.34 : x
  2. Step 2: Convert to fraction form
    16,786.28/23,163.81 = 9,711.34/x
  3. Step 3: Cross multiply
    16,786.28x = 23,163.81 × 9,711.34
  4. Step 4: Simplify right side
    16,786.28x = 224,951,634.61
  5. Step 5: Solve for x
    x = 224,951,634.61/16,786.28
  6. Step 6: Final answer
    x = 13,400.92

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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.