Home / 12,650.27-18,974.66-3,885.17

Finding the Fourth Proportional to 12,650.27, 18,974.66 and 3,885.17

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Solution

The fourth proportional to 12,650.27, 18,974.66 and 3,885.17 is: 5,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.27 : 18,974.66 = 3,885.17 : x
  2. Step 2: Convert to fraction form
    12,650.27/18,974.66 = 3,885.17/x
  3. Step 3: Cross multiply
    12,650.27x = 18,974.66 × 3,885.17
  4. Step 4: Simplify right side
    12,650.27x = 73,719,665.49
  5. Step 5: Solve for x
    x = 73,719,665.49/12,650.27
  6. Step 6: Final answer
    x = 5,827.52

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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.