Home / 12,704.95-19,058.41-3,819.59

Finding the Fourth Proportional to 12,704.95, 19,058.41 and 3,819.59

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Solution

The fourth proportional to 12,704.95, 19,058.41 and 3,819.59 is: 5,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704.95 : 19,058.41 = 3,819.59 : x
  2. Step 2: Convert to fraction form
    12,704.95/19,058.41 = 3,819.59/x
  3. Step 3: Cross multiply
    12,704.95x = 19,058.41 × 3,819.59
  4. Step 4: Simplify right side
    12,704.95x = 72,795,218.12
  5. Step 5: Solve for x
    x = 72,795,218.12/12,704.95
  6. Step 6: Final answer
    x = 5,729.67

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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.