Home / 13,648.97-20,473.91-3,788.35

Finding the Fourth Proportional to 13,648.97, 20,473.91 and 3,788.35

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Solution

The fourth proportional to 13,648.97, 20,473.91 and 3,788.35 is: 5,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.97 : 20,473.91 = 3,788.35 : x
  2. Step 2: Convert to fraction form
    13,648.97/20,473.91 = 3,788.35/x
  3. Step 3: Cross multiply
    13,648.97x = 20,473.91 × 3,788.35
  4. Step 4: Simplify right side
    13,648.97x = 77,562,336.95
  5. Step 5: Solve for x
    x = 77,562,336.95/13,648.97
  6. Step 6: Final answer
    x = 5,682.65

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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.