Home / 13,942.35-20,898.86-4,579.92

Finding the Fourth Proportional to 13,942.35, 20,898.86 and 4,579.92

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Solution

The fourth proportional to 13,942.35, 20,898.86 and 4,579.92 is: 6,865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.35 : 20,898.86 = 4,579.92 : x
  2. Step 2: Convert to fraction form
    13,942.35/20,898.86 = 4,579.92/x
  3. Step 3: Cross multiply
    13,942.35x = 20,898.86 × 4,579.92
  4. Step 4: Simplify right side
    13,942.35x = 95,715,083.99
  5. Step 5: Solve for x
    x = 95,715,083.99/13,942.35
  6. Step 6: Final answer
    x = 6,865.06

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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.