Home / 12,024.69-18,039-3,704.70

Finding the Fourth Proportional to 12,024.69, 18,039 and 3,704.70

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Solution

The fourth proportional to 12,024.69, 18,039 and 3,704.70 is: 5,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.69 : 18,039 = 3,704.70 : x
  2. Step 2: Convert to fraction form
    12,024.69/18,039 = 3,704.70/x
  3. Step 3: Cross multiply
    12,024.69x = 18,039 × 3,704.70
  4. Step 4: Simplify right side
    12,024.69x = 66,829,083.30
  5. Step 5: Solve for x
    x = 66,829,083.30/12,024.69
  6. Step 6: Final answer
    x = 5,557.66

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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.