Home / 12,583.40-18,861.24-5,183.82

Finding the Fourth Proportional to 12,583.40, 18,861.24 and 5,183.82

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Solution

The fourth proportional to 12,583.40, 18,861.24 and 5,183.82 is: 7,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.40 : 18,861.24 = 5,183.82 : x
  2. Step 2: Convert to fraction form
    12,583.40/18,861.24 = 5,183.82/x
  3. Step 3: Cross multiply
    12,583.40x = 18,861.24 × 5,183.82
  4. Step 4: Simplify right side
    12,583.40x = 97,773,292.58
  5. Step 5: Solve for x
    x = 97,773,292.58/12,583.40
  6. Step 6: Final answer
    x = 7,770.02

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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.