Home / 13,353.26-20,028.36-3,493.49

Finding the Fourth Proportional to 13,353.26, 20,028.36 and 3,493.49

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Solution

The fourth proportional to 13,353.26, 20,028.36 and 3,493.49 is: 5,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.26 : 20,028.36 = 3,493.49 : x
  2. Step 2: Convert to fraction form
    13,353.26/20,028.36 = 3,493.49/x
  3. Step 3: Cross multiply
    13,353.26x = 20,028.36 × 3,493.49
  4. Step 4: Simplify right side
    13,353.26x = 69,968,875.38
  5. Step 5: Solve for x
    x = 69,968,875.38/13,353.26
  6. Step 6: Final answer
    x = 5,239.83

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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.