Home / 20,231.34-30,360.75-7,083.66

Finding the Fourth Proportional to 20,231.34, 30,360.75 and 7,083.66

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Solution

The fourth proportional to 20,231.34, 30,360.75 and 7,083.66 is: 10,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.34 : 30,360.75 = 7,083.66 : x
  2. Step 2: Convert to fraction form
    20,231.34/30,360.75 = 7,083.66/x
  3. Step 3: Cross multiply
    20,231.34x = 30,360.75 × 7,083.66
  4. Step 4: Simplify right side
    20,231.34x = 215,065,230.35
  5. Step 5: Solve for x
    x = 215,065,230.35/20,231.34
  6. Step 6: Final answer
    x = 10,630.30

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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.