Home / 13,766.99-20,504.77-13,699.87

Finding the Fourth Proportional to 13,766.99, 20,504.77 and 13,699.87

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Solution

The fourth proportional to 13,766.99, 20,504.77 and 13,699.87 is: 20,404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.99 : 20,504.77 = 13,699.87 : x
  2. Step 2: Convert to fraction form
    13,766.99/20,504.77 = 13,699.87/x
  3. Step 3: Cross multiply
    13,766.99x = 20,504.77 × 13,699.87
  4. Step 4: Simplify right side
    13,766.99x = 280,912,580.86
  5. Step 5: Solve for x
    x = 280,912,580.86/13,766.99
  6. Step 6: Final answer
    x = 20,404.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.