Home / 13,898.45-20,850.98-4,538.54

Finding the Fourth Proportional to 13,898.45, 20,850.98 and 4,538.54

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Solution

The fourth proportional to 13,898.45, 20,850.98 and 4,538.54 is: 6,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.45 : 20,850.98 = 4,538.54 : x
  2. Step 2: Convert to fraction form
    13,898.45/20,850.98 = 4,538.54/x
  3. Step 3: Cross multiply
    13,898.45x = 20,850.98 × 4,538.54
  4. Step 4: Simplify right side
    13,898.45x = 94,632,879.82
  5. Step 5: Solve for x
    x = 94,632,879.82/13,898.45
  6. Step 6: Final answer
    x = 6,808.88

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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.