Home / 14,999.97-20,701.23-8,286.33

Finding the Fourth Proportional to 14,999.97, 20,701.23 and 8,286.33

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Solution

The fourth proportional to 14,999.97, 20,701.23 and 8,286.33 is: 11,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.97 : 20,701.23 = 8,286.33 : x
  2. Step 2: Convert to fraction form
    14,999.97/20,701.23 = 8,286.33/x
  3. Step 3: Cross multiply
    14,999.97x = 20,701.23 × 8,286.33
  4. Step 4: Simplify right side
    14,999.97x = 171,537,119.68
  5. Step 5: Solve for x
    x = 171,537,119.68/14,999.97
  6. Step 6: Final answer
    x = 11,435.83

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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.