Home / 20,464.44-30,698.48-8,774.92

Finding the Fourth Proportional to 20,464.44, 30,698.48 and 8,774.92

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Solution

The fourth proportional to 20,464.44, 30,698.48 and 8,774.92 is: 13,163.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.44 : 30,698.48 = 8,774.92 : x
  2. Step 2: Convert to fraction form
    20,464.44/30,698.48 = 8,774.92/x
  3. Step 3: Cross multiply
    20,464.44x = 30,698.48 × 8,774.92
  4. Step 4: Simplify right side
    20,464.44x = 269,376,706.12
  5. Step 5: Solve for x
    x = 269,376,706.12/20,464.44
  6. Step 6: Final answer
    x = 13,163.16

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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.