Home / 18,722.52-28,069.92-8,850.27

Finding the Fourth Proportional to 18,722.52, 28,069.92 and 8,850.27

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Solution

The fourth proportional to 18,722.52, 28,069.92 and 8,850.27 is: 13,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.52 : 28,069.92 = 8,850.27 : x
  2. Step 2: Convert to fraction form
    18,722.52/28,069.92 = 8,850.27/x
  3. Step 3: Cross multiply
    18,722.52x = 28,069.92 × 8,850.27
  4. Step 4: Simplify right side
    18,722.52x = 248,426,370.88
  5. Step 5: Solve for x
    x = 248,426,370.88/18,722.52
  6. Step 6: Final answer
    x = 13,268.85

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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.