Home / 13,216.20-19,819.20-3,853.08

Finding the Fourth Proportional to 13,216.20, 19,819.20 and 3,853.08

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Solution

The fourth proportional to 13,216.20, 19,819.20 and 3,853.08 is: 5,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.20 : 19,819.20 = 3,853.08 : x
  2. Step 2: Convert to fraction form
    13,216.20/19,819.20 = 3,853.08/x
  3. Step 3: Cross multiply
    13,216.20x = 19,819.20 × 3,853.08
  4. Step 4: Simplify right side
    13,216.20x = 76,364,963.14
  5. Step 5: Solve for x
    x = 76,364,963.14/13,216.20
  6. Step 6: Final answer
    x = 5,778.13

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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.