Home / 19,443.80-29,177.03-8,198.45

Finding the Fourth Proportional to 19,443.80, 29,177.03 and 8,198.45

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Solution

The fourth proportional to 19,443.80, 29,177.03 and 8,198.45 is: 12,302.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.80 : 29,177.03 = 8,198.45 : x
  2. Step 2: Convert to fraction form
    19,443.80/29,177.03 = 8,198.45/x
  3. Step 3: Cross multiply
    19,443.80x = 29,177.03 × 8,198.45
  4. Step 4: Simplify right side
    19,443.80x = 239,206,515.04
  5. Step 5: Solve for x
    x = 239,206,515.04/19,443.80
  6. Step 6: Final answer
    x = 12,302.46

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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.