Home / 13,081.68-19,623.87-4,193.90

Finding the Fourth Proportional to 13,081.68, 19,623.87 and 4,193.90

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Solution

The fourth proportional to 13,081.68, 19,623.87 and 4,193.90 is: 6,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.68 : 19,623.87 = 4,193.90 : x
  2. Step 2: Convert to fraction form
    13,081.68/19,623.87 = 4,193.90/x
  3. Step 3: Cross multiply
    13,081.68x = 19,623.87 × 4,193.90
  4. Step 4: Simplify right side
    13,081.68x = 82,300,450.27
  5. Step 5: Solve for x
    x = 82,300,450.27/13,081.68
  6. Step 6: Final answer
    x = 6,291.28

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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.