Home / 20,239.41-30,369.44-13,651.79

Finding the Fourth Proportional to 20,239.41, 30,369.44 and 13,651.79

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Solution

The fourth proportional to 20,239.41, 30,369.44 and 13,651.79 is: 20,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.41 : 30,369.44 = 13,651.79 : x
  2. Step 2: Convert to fraction form
    20,239.41/30,369.44 = 13,651.79/x
  3. Step 3: Cross multiply
    20,239.41x = 30,369.44 × 13,651.79
  4. Step 4: Simplify right side
    20,239.41x = 414,597,099.58
  5. Step 5: Solve for x
    x = 414,597,099.58/20,239.41
  6. Step 6: Final answer
    x = 20,484.64

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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.