Home / 20,581.23-30,879.26-8,094.33

Finding the Fourth Proportional to 20,581.23, 30,879.26 and 8,094.33

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Solution

The fourth proportional to 20,581.23, 30,879.26 and 8,094.33 is: 12,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581.23 : 30,879.26 = 8,094.33 : x
  2. Step 2: Convert to fraction form
    20,581.23/30,879.26 = 8,094.33/x
  3. Step 3: Cross multiply
    20,581.23x = 30,879.26 × 8,094.33
  4. Step 4: Simplify right side
    20,581.23x = 249,946,880.12
  5. Step 5: Solve for x
    x = 249,946,880.12/20,581.23
  6. Step 6: Final answer
    x = 12,144.41

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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.