Home / 13,469.48-20,214.75-9,338.58

Finding the Fourth Proportional to 13,469.48, 20,214.75 and 9,338.58

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Solution

The fourth proportional to 13,469.48, 20,214.75 and 9,338.58 is: 14,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.48 : 20,214.75 = 9,338.58 : x
  2. Step 2: Convert to fraction form
    13,469.48/20,214.75 = 9,338.58/x
  3. Step 3: Cross multiply
    13,469.48x = 20,214.75 × 9,338.58
  4. Step 4: Simplify right side
    13,469.48x = 188,777,170.88
  5. Step 5: Solve for x
    x = 188,777,170.88/13,469.48
  6. Step 6: Final answer
    x = 14,015.18

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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.