Home / 13,849.92-20,788.74-7,289.94

Finding the Fourth Proportional to 13,849.92, 20,788.74 and 7,289.94

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Solution

The fourth proportional to 13,849.92, 20,788.74 and 7,289.94 is: 10,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.92 : 20,788.74 = 7,289.94 : x
  2. Step 2: Convert to fraction form
    13,849.92/20,788.74 = 7,289.94/x
  3. Step 3: Cross multiply
    13,849.92x = 20,788.74 × 7,289.94
  4. Step 4: Simplify right side
    13,849.92x = 151,548,667.28
  5. Step 5: Solve for x
    x = 151,548,667.28/13,849.92
  6. Step 6: Final answer
    x = 10,942.21

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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.