Home / 13,376.35-20,069.09-5,058.76

Finding the Fourth Proportional to 13,376.35, 20,069.09 and 5,058.76

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Solution

The fourth proportional to 13,376.35, 20,069.09 and 5,058.76 is: 7,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.35 : 20,069.09 = 5,058.76 : x
  2. Step 2: Convert to fraction form
    13,376.35/20,069.09 = 5,058.76/x
  3. Step 3: Cross multiply
    13,376.35x = 20,069.09 × 5,058.76
  4. Step 4: Simplify right side
    13,376.35x = 101,524,709.73
  5. Step 5: Solve for x
    x = 101,524,709.73/13,376.35
  6. Step 6: Final answer
    x = 7,589.87

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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.