Home / 13,806.99-20,707.56-4,447.85

Finding the Fourth Proportional to 13,806.99, 20,707.56 and 4,447.85

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Solution

The fourth proportional to 13,806.99, 20,707.56 and 4,447.85 is: 6,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.99 : 20,707.56 = 4,447.85 : x
  2. Step 2: Convert to fraction form
    13,806.99/20,707.56 = 4,447.85/x
  3. Step 3: Cross multiply
    13,806.99x = 20,707.56 × 4,447.85
  4. Step 4: Simplify right side
    13,806.99x = 92,104,017.21
  5. Step 5: Solve for x
    x = 92,104,017.21/13,806.99
  6. Step 6: Final answer
    x = 6,670.83

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1.5x scale

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.