Home / 13,189.92-19,784.85-3,329.97

Finding the Fourth Proportional to 13,189.92, 19,784.85 and 3,329.97

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Solution

The fourth proportional to 13,189.92, 19,784.85 and 3,329.97 is: 4,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.92 : 19,784.85 = 3,329.97 : x
  2. Step 2: Convert to fraction form
    13,189.92/19,784.85 = 3,329.97/x
  3. Step 3: Cross multiply
    13,189.92x = 19,784.85 × 3,329.97
  4. Step 4: Simplify right side
    13,189.92x = 65,882,956.95
  5. Step 5: Solve for x
    x = 65,882,956.95/13,189.92
  6. Step 6: Final answer
    x = 4,994.95

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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.