Home / 12,246.70-18,367.80-5,581.66

Finding the Fourth Proportional to 12,246.70, 18,367.80 and 5,581.66

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Solution

The fourth proportional to 12,246.70, 18,367.80 and 5,581.66 is: 8,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.70 : 18,367.80 = 5,581.66 : x
  2. Step 2: Convert to fraction form
    12,246.70/18,367.80 = 5,581.66/x
  3. Step 3: Cross multiply
    12,246.70x = 18,367.80 × 5,581.66
  4. Step 4: Simplify right side
    12,246.70x = 102,522,814.55
  5. Step 5: Solve for x
    x = 102,522,814.55/12,246.70
  6. Step 6: Final answer
    x = 8,371.46

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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.