Home / 16,786.68-25,163.62-7,429.05

Finding the Fourth Proportional to 16,786.68, 25,163.62 and 7,429.05

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Solution

The fourth proportional to 16,786.68, 25,163.62 and 7,429.05 is: 11,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.68 : 25,163.62 = 7,429.05 : x
  2. Step 2: Convert to fraction form
    16,786.68/25,163.62 = 7,429.05/x
  3. Step 3: Cross multiply
    16,786.68x = 25,163.62 × 7,429.05
  4. Step 4: Simplify right side
    16,786.68x = 186,941,791.16
  5. Step 5: Solve for x
    x = 186,941,791.16/16,786.68
  6. Step 6: Final answer
    x = 11,136.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.