Home / 22,198.56-30,634.08-12,766.50

Finding the Fourth Proportional to 22,198.56, 30,634.08 and 12,766.50

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Solution

The fourth proportional to 22,198.56, 30,634.08 and 12,766.50 is: 17,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.56 : 30,634.08 = 12,766.50 : x
  2. Step 2: Convert to fraction form
    22,198.56/30,634.08 = 12,766.50/x
  3. Step 3: Cross multiply
    22,198.56x = 30,634.08 × 12,766.50
  4. Step 4: Simplify right side
    22,198.56x = 391,089,982.32
  5. Step 5: Solve for x
    x = 391,089,982.32/22,198.56
  6. Step 6: Final answer
    x = 17,617.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.