Home / 18,845.42-28,268.22-11,048.76

Finding the Fourth Proportional to 18,845.42, 28,268.22 and 11,048.76

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Solution

The fourth proportional to 18,845.42, 28,268.22 and 11,048.76 is: 16,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.42 : 28,268.22 = 11,048.76 : x
  2. Step 2: Convert to fraction form
    18,845.42/28,268.22 = 11,048.76/x
  3. Step 3: Cross multiply
    18,845.42x = 28,268.22 × 11,048.76
  4. Step 4: Simplify right side
    18,845.42x = 312,328,778.41
  5. Step 5: Solve for x
    x = 312,328,778.41/18,845.42
  6. Step 6: Final answer
    x = 16,573.20

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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.