Home / 13,683.44-20,519.69-5,789.58

Finding the Fourth Proportional to 13,683.44, 20,519.69 and 5,789.58

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Solution

The fourth proportional to 13,683.44, 20,519.69 and 5,789.58 is: 8,682.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.44 : 20,519.69 = 5,789.58 : x
  2. Step 2: Convert to fraction form
    13,683.44/20,519.69 = 5,789.58/x
  3. Step 3: Cross multiply
    13,683.44x = 20,519.69 × 5,789.58
  4. Step 4: Simplify right side
    13,683.44x = 118,800,357.88
  5. Step 5: Solve for x
    x = 118,800,357.88/13,683.44
  6. Step 6: Final answer
    x = 8,682.06

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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.