Home / 13,203.96-19,788.57-5,408.52

Finding the Fourth Proportional to 13,203.96, 19,788.57 and 5,408.52

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Solution

The fourth proportional to 13,203.96, 19,788.57 and 5,408.52 is: 8,105.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.96 : 19,788.57 = 5,408.52 : x
  2. Step 2: Convert to fraction form
    13,203.96/19,788.57 = 5,408.52/x
  3. Step 3: Cross multiply
    13,203.96x = 19,788.57 × 5,408.52
  4. Step 4: Simplify right side
    13,203.96x = 107,026,876.62
  5. Step 5: Solve for x
    x = 107,026,876.62/13,203.96
  6. Step 6: Final answer
    x = 8,105.67

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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.