Home / 13,213.08-19,819.62-5,817.24

Finding the Fourth Proportional to 13,213.08, 19,819.62 and 5,817.24

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Solution

The fourth proportional to 13,213.08, 19,819.62 and 5,817.24 is: 8,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.08 : 19,819.62 = 5,817.24 : x
  2. Step 2: Convert to fraction form
    13,213.08/19,819.62 = 5,817.24/x
  3. Step 3: Cross multiply
    13,213.08x = 19,819.62 × 5,817.24
  4. Step 4: Simplify right side
    13,213.08x = 115,295,486.25
  5. Step 5: Solve for x
    x = 115,295,486.25/13,213.08
  6. Step 6: Final answer
    x = 8,725.86

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Similar ratio
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1.5x scale

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.