Home / 20,467.96-30,698.51-5,678.37

Finding the Fourth Proportional to 20,467.96, 30,698.51 and 5,678.37

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Solution

The fourth proportional to 20,467.96, 30,698.51 and 5,678.37 is: 8,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.96 : 30,698.51 = 5,678.37 : x
  2. Step 2: Convert to fraction form
    20,467.96/30,698.51 = 5,678.37/x
  3. Step 3: Cross multiply
    20,467.96x = 30,698.51 × 5,678.37
  4. Step 4: Simplify right side
    20,467.96x = 174,317,469.84
  5. Step 5: Solve for x
    x = 174,317,469.84/20,467.96
  6. Step 6: Final answer
    x = 8,516.60

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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.