Home / 12,069.60-18,104.40-11,194.80

Finding the Fourth Proportional to 12,069.60, 18,104.40 and 11,194.80

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Solution

The fourth proportional to 12,069.60, 18,104.40 and 11,194.80 is: 16,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.60 : 18,104.40 = 11,194.80 : x
  2. Step 2: Convert to fraction form
    12,069.60/18,104.40 = 11,194.80/x
  3. Step 3: Cross multiply
    12,069.60x = 18,104.40 × 11,194.80
  4. Step 4: Simplify right side
    12,069.60x = 202,675,137.12
  5. Step 5: Solve for x
    x = 202,675,137.12/12,069.60
  6. Step 6: Final answer
    x = 16,792.20

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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.