Home / 13,773.27-20,659.91-3,911.27

Finding the Fourth Proportional to 13,773.27, 20,659.91 and 3,911.27

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Solution

The fourth proportional to 13,773.27, 20,659.91 and 3,911.27 is: 5,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.27 : 20,659.91 = 3,911.27 : x
  2. Step 2: Convert to fraction form
    13,773.27/20,659.91 = 3,911.27/x
  3. Step 3: Cross multiply
    13,773.27x = 20,659.91 × 3,911.27
  4. Step 4: Simplify right side
    13,773.27x = 80,806,501.54
  5. Step 5: Solve for x
    x = 80,806,501.54/13,773.27
  6. Step 6: Final answer
    x = 5,866.91

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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.