Home / 20,108.69-30,166.97-6,069.86

Finding the Fourth Proportional to 20,108.69, 30,166.97 and 6,069.86

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Solution

The fourth proportional to 20,108.69, 30,166.97 and 6,069.86 is: 9,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108.69 : 30,166.97 = 6,069.86 : x
  2. Step 2: Convert to fraction form
    20,108.69/30,166.97 = 6,069.86/x
  3. Step 3: Cross multiply
    20,108.69x = 30,166.97 × 6,069.86
  4. Step 4: Simplify right side
    20,108.69x = 183,109,216.47
  5. Step 5: Solve for x
    x = 183,109,216.47/20,108.69
  6. Step 6: Final answer
    x = 9,105.97

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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.