Home / 13,583.72-20,380.98-4,819.52

Finding the Fourth Proportional to 13,583.72, 20,380.98 and 4,819.52

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Solution

The fourth proportional to 13,583.72, 20,380.98 and 4,819.52 is: 7,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.72 : 20,380.98 = 4,819.52 : x
  2. Step 2: Convert to fraction form
    13,583.72/20,380.98 = 4,819.52/x
  3. Step 3: Cross multiply
    13,583.72x = 20,380.98 × 4,819.52
  4. Step 4: Simplify right side
    13,583.72x = 98,226,540.73
  5. Step 5: Solve for x
    x = 98,226,540.73/13,583.72
  6. Step 6: Final answer
    x = 7,231.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.