Home / 8,143.11-12,214.44-3,461.85

Finding the Fourth Proportional to 8,143.11, 12,214.44 and 3,461.85

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Solution

The fourth proportional to 8,143.11, 12,214.44 and 3,461.85 is: 5,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.11 : 12,214.44 = 3,461.85 : x
  2. Step 2: Convert to fraction form
    8,143.11/12,214.44 = 3,461.85/x
  3. Step 3: Cross multiply
    8,143.11x = 12,214.44 × 3,461.85
  4. Step 4: Simplify right side
    8,143.11x = 42,284,559.11
  5. Step 5: Solve for x
    x = 42,284,559.11/8,143.11
  6. Step 6: Final answer
    x = 5,192.68

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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.