Home / 13,814.76-20,708.26-4,447.90

Finding the Fourth Proportional to 13,814.76, 20,708.26 and 4,447.90

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Solution

The fourth proportional to 13,814.76, 20,708.26 and 4,447.90 is: 6,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.76 : 20,708.26 = 4,447.90 : x
  2. Step 2: Convert to fraction form
    13,814.76/20,708.26 = 4,447.90/x
  3. Step 3: Cross multiply
    13,814.76x = 20,708.26 × 4,447.90
  4. Step 4: Simplify right side
    13,814.76x = 92,108,269.65
  5. Step 5: Solve for x
    x = 92,108,269.65/13,814.76
  6. Step 6: Final answer
    x = 6,667.38

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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.