Home / 20,085.93-30,107.99-6,749.03

Finding the Fourth Proportional to 20,085.93, 30,107.99 and 6,749.03

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Solution

The fourth proportional to 20,085.93, 30,107.99 and 6,749.03 is: 10,116.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085.93 : 30,107.99 = 6,749.03 : x
  2. Step 2: Convert to fraction form
    20,085.93/30,107.99 = 6,749.03/x
  3. Step 3: Cross multiply
    20,085.93x = 30,107.99 × 6,749.03
  4. Step 4: Simplify right side
    20,085.93x = 203,199,819.89
  5. Step 5: Solve for x
    x = 203,199,819.89/20,085.93
  6. Step 6: Final answer
    x = 10,116.53

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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.