Home / 19,786.87-29,654.46-15,089.68

Finding the Fourth Proportional to 19,786.87, 29,654.46 and 15,089.68

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Solution

The fourth proportional to 19,786.87, 29,654.46 and 15,089.68 is: 22,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.87 : 29,654.46 = 15,089.68 : x
  2. Step 2: Convert to fraction form
    19,786.87/29,654.46 = 15,089.68/x
  3. Step 3: Cross multiply
    19,786.87x = 29,654.46 × 15,089.68
  4. Step 4: Simplify right side
    19,786.87x = 447,476,163.70
  5. Step 5: Solve for x
    x = 447,476,163.70/19,786.87
  6. Step 6: Final answer
    x = 22,614.81

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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.