Home / 20,467.82-30,698.68-5,675.20

Finding the Fourth Proportional to 20,467.82, 30,698.68 and 5,675.20

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Solution

The fourth proportional to 20,467.82, 30,698.68 and 5,675.20 is: 8,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.82 : 30,698.68 = 5,675.20 : x
  2. Step 2: Convert to fraction form
    20,467.82/30,698.68 = 5,675.20/x
  3. Step 3: Cross multiply
    20,467.82x = 30,698.68 × 5,675.20
  4. Step 4: Simplify right side
    20,467.82x = 174,221,148.74
  5. Step 5: Solve for x
    x = 174,221,148.74/20,467.82
  6. Step 6: Final answer
    x = 8,511.95

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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.