Home / 18,705.33-28,033.39-8,847.43

Finding the Fourth Proportional to 18,705.33, 28,033.39 and 8,847.43

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Solution

The fourth proportional to 18,705.33, 28,033.39 and 8,847.43 is: 13,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705.33 : 28,033.39 = 8,847.43 : x
  2. Step 2: Convert to fraction form
    18,705.33/28,033.39 = 8,847.43/x
  3. Step 3: Cross multiply
    18,705.33x = 28,033.39 × 8,847.43
  4. Step 4: Simplify right side
    18,705.33x = 248,023,396.66
  5. Step 5: Solve for x
    x = 248,023,396.66/18,705.33
  6. Step 6: Final answer
    x = 13,259.50

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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.