Home / 20,608.06-30,835.50-12,292.60

Finding the Fourth Proportional to 20,608.06, 30,835.50 and 12,292.60

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Solution

The fourth proportional to 20,608.06, 30,835.50 and 12,292.60 is: 18,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.06 : 30,835.50 = 12,292.60 : x
  2. Step 2: Convert to fraction form
    20,608.06/30,835.50 = 12,292.60/x
  3. Step 3: Cross multiply
    20,608.06x = 30,835.50 × 12,292.60
  4. Step 4: Simplify right side
    20,608.06x = 379,048,467.30
  5. Step 5: Solve for x
    x = 379,048,467.30/20,608.06
  6. Step 6: Final answer
    x = 18,393.21

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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.