Home / 13,584.44-20,379.72-4,819.34

Finding the Fourth Proportional to 13,584.44, 20,379.72 and 4,819.34

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Solution

The fourth proportional to 13,584.44, 20,379.72 and 4,819.34 is: 7,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.44 : 20,379.72 = 4,819.34 : x
  2. Step 2: Convert to fraction form
    13,584.44/20,379.72 = 4,819.34/x
  3. Step 3: Cross multiply
    13,584.44x = 20,379.72 × 4,819.34
  4. Step 4: Simplify right side
    13,584.44x = 98,216,799.78
  5. Step 5: Solve for x
    x = 98,216,799.78/13,584.44
  6. Step 6: Final answer
    x = 7,230.10

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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.