Home / 20,914.41-28,861.94-11,483.58

Finding the Fourth Proportional to 20,914.41, 28,861.94 and 11,483.58

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Solution

The fourth proportional to 20,914.41, 28,861.94 and 11,483.58 is: 15,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914.41 : 28,861.94 = 11,483.58 : x
  2. Step 2: Convert to fraction form
    20,914.41/28,861.94 = 11,483.58/x
  3. Step 3: Cross multiply
    20,914.41x = 28,861.94 × 11,483.58
  4. Step 4: Simplify right side
    20,914.41x = 331,438,396.95
  5. Step 5: Solve for x
    x = 331,438,396.95/20,914.41
  6. Step 6: Final answer
    x = 15,847.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.