Home / 18,069.39-27,106.47-8,074.22

Finding the Fourth Proportional to 18,069.39, 27,106.47 and 8,074.22

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Solution

The fourth proportional to 18,069.39, 27,106.47 and 8,074.22 is: 12,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.39 : 27,106.47 = 8,074.22 : x
  2. Step 2: Convert to fraction form
    18,069.39/27,106.47 = 8,074.22/x
  3. Step 3: Cross multiply
    18,069.39x = 27,106.47 × 8,074.22
  4. Step 4: Simplify right side
    18,069.39x = 218,863,466.67
  5. Step 5: Solve for x
    x = 218,863,466.67/18,069.39
  6. Step 6: Final answer
    x = 12,112.39

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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.