Home / 20,169.65-30,254.43-6,129.62

Finding the Fourth Proportional to 20,169.65, 30,254.43 and 6,129.62

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Solution

The fourth proportional to 20,169.65, 30,254.43 and 6,129.62 is: 9,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.65 : 30,254.43 = 6,129.62 : x
  2. Step 2: Convert to fraction form
    20,169.65/30,254.43 = 6,129.62/x
  3. Step 3: Cross multiply
    20,169.65x = 30,254.43 × 6,129.62
  4. Step 4: Simplify right side
    20,169.65x = 185,448,007.94
  5. Step 5: Solve for x
    x = 185,448,007.94/20,169.65
  6. Step 6: Final answer
    x = 9,194.41

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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.