Home / 20,584.67-28,408.50-11,634.03

Finding the Fourth Proportional to 20,584.67, 28,408.50 and 11,634.03

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Solution

The fourth proportional to 20,584.67, 28,408.50 and 11,634.03 is: 16,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.67 : 28,408.50 = 11,634.03 : x
  2. Step 2: Convert to fraction form
    20,584.67/28,408.50 = 11,634.03/x
  3. Step 3: Cross multiply
    20,584.67x = 28,408.50 × 11,634.03
  4. Step 4: Simplify right side
    20,584.67x = 330,505,341.26
  5. Step 5: Solve for x
    x = 330,505,341.26/20,584.67
  6. Step 6: Final answer
    x = 16,055.90

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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.