Home / 20,182.26-30,273.04-9,081.09

Finding the Fourth Proportional to 20,182.26, 30,273.04 and 9,081.09

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Solution

The fourth proportional to 20,182.26, 30,273.04 and 9,081.09 is: 13,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.26 : 30,273.04 = 9,081.09 : x
  2. Step 2: Convert to fraction form
    20,182.26/30,273.04 = 9,081.09/x
  3. Step 3: Cross multiply
    20,182.26x = 30,273.04 × 9,081.09
  4. Step 4: Simplify right side
    20,182.26x = 274,912,200.81
  5. Step 5: Solve for x
    x = 274,912,200.81/20,182.26
  6. Step 6: Final answer
    x = 13,621.48

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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.