Home / 12,372.23-18,558.37-3,012.25

Finding the Fourth Proportional to 12,372.23, 18,558.37 and 3,012.25

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Solution

The fourth proportional to 12,372.23, 18,558.37 and 3,012.25 is: 4,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.23 : 18,558.37 = 3,012.25 : x
  2. Step 2: Convert to fraction form
    12,372.23/18,558.37 = 3,012.25/x
  3. Step 3: Cross multiply
    12,372.23x = 18,558.37 × 3,012.25
  4. Step 4: Simplify right side
    12,372.23x = 55,902,450.03
  5. Step 5: Solve for x
    x = 55,902,450.03/12,372.23
  6. Step 6: Final answer
    x = 4,518.38

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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.