Home / 20,083.11-30,113.37-8,233.62

Finding the Fourth Proportional to 20,083.11, 30,113.37 and 8,233.62

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Solution

The fourth proportional to 20,083.11, 30,113.37 and 8,233.62 is: 12,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.11 : 30,113.37 = 8,233.62 : x
  2. Step 2: Convert to fraction form
    20,083.11/30,113.37 = 8,233.62/x
  3. Step 3: Cross multiply
    20,083.11x = 30,113.37 × 8,233.62
  4. Step 4: Simplify right side
    20,083.11x = 247,942,045.50
  5. Step 5: Solve for x
    x = 247,942,045.50/20,083.11
  6. Step 6: Final answer
    x = 12,345.80

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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.