Home / 13,486.33-20,229.66-5,166.84

Finding the Fourth Proportional to 13,486.33, 20,229.66 and 5,166.84

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Solution

The fourth proportional to 13,486.33, 20,229.66 and 5,166.84 is: 7,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.33 : 20,229.66 = 5,166.84 : x
  2. Step 2: Convert to fraction form
    13,486.33/20,229.66 = 5,166.84/x
  3. Step 3: Cross multiply
    13,486.33x = 20,229.66 × 5,166.84
  4. Step 4: Simplify right side
    13,486.33x = 104,523,416.47
  5. Step 5: Solve for x
    x = 104,523,416.47/13,486.33
  6. Step 6: Final answer
    x = 7,750.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.