Home / 19,519.27-29,270.23-8,986.73

Finding the Fourth Proportional to 19,519.27, 29,270.23 and 8,986.73

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Solution

The fourth proportional to 19,519.27, 29,270.23 and 8,986.73 is: 13,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.27 : 29,270.23 = 8,986.73 : x
  2. Step 2: Convert to fraction form
    19,519.27/29,270.23 = 8,986.73/x
  3. Step 3: Cross multiply
    19,519.27x = 29,270.23 × 8,986.73
  4. Step 4: Simplify right side
    19,519.27x = 263,043,485.23
  5. Step 5: Solve for x
    x = 263,043,485.23/19,519.27
  6. Step 6: Final answer
    x = 13,476.09

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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.