Home / 16,786.15-23,163.07-9,711.25

Finding the Fourth Proportional to 16,786.15, 23,163.07 and 9,711.25

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Solution

The fourth proportional to 16,786.15, 23,163.07 and 9,711.25 is: 13,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.15 : 23,163.07 = 9,711.25 : x
  2. Step 2: Convert to fraction form
    16,786.15/23,163.07 = 9,711.25/x
  3. Step 3: Cross multiply
    16,786.15x = 23,163.07 × 9,711.25
  4. Step 4: Simplify right side
    16,786.15x = 224,942,363.54
  5. Step 5: Solve for x
    x = 224,942,363.54/16,786.15
  6. Step 6: Final answer
    x = 13,400.47

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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.