Home / 23,118.60-34,669.80-12,021.60

Finding the Fourth Proportional to 23,118.60, 34,669.80 and 12,021.60

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Solution

The fourth proportional to 23,118.60, 34,669.80 and 12,021.60 is: 18,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.60 : 34,669.80 = 12,021.60 : x
  2. Step 2: Convert to fraction form
    23,118.60/34,669.80 = 12,021.60/x
  3. Step 3: Cross multiply
    23,118.60x = 34,669.80 × 12,021.60
  4. Step 4: Simplify right side
    23,118.60x = 416,786,467.68
  5. Step 5: Solve for x
    x = 416,786,467.68/23,118.60
  6. Step 6: Final answer
    x = 18,028.19

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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.