Home / 12,327.22-18,450.33-11,145.70

Finding the Fourth Proportional to 12,327.22, 18,450.33 and 11,145.70

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Solution

The fourth proportional to 12,327.22, 18,450.33 and 11,145.70 is: 16,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.22 : 18,450.33 = 11,145.70 : x
  2. Step 2: Convert to fraction form
    12,327.22/18,450.33 = 11,145.70/x
  3. Step 3: Cross multiply
    12,327.22x = 18,450.33 × 11,145.70
  4. Step 4: Simplify right side
    12,327.22x = 205,641,843.08
  5. Step 5: Solve for x
    x = 205,641,843.08/12,327.22
  6. Step 6: Final answer
    x = 16,681.93

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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.