Home / 12,317.70-18,474.69-3,998.46

Finding the Fourth Proportional to 12,317.70, 18,474.69 and 3,998.46

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Solution

The fourth proportional to 12,317.70, 18,474.69 and 3,998.46 is: 5,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.70 : 18,474.69 = 3,998.46 : x
  2. Step 2: Convert to fraction form
    12,317.70/18,474.69 = 3,998.46/x
  3. Step 3: Cross multiply
    12,317.70x = 18,474.69 × 3,998.46
  4. Step 4: Simplify right side
    12,317.70x = 73,870,308.98
  5. Step 5: Solve for x
    x = 73,870,308.98/12,317.70
  6. Step 6: Final answer
    x = 5,997.09

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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.