Home / 13,448.06-20,172.00-3,452.76

Finding the Fourth Proportional to 13,448.06, 20,172.00 and 3,452.76

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Solution

The fourth proportional to 13,448.06, 20,172.00 and 3,452.76 is: 5,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.06 : 20,172.00 = 3,452.76 : x
  2. Step 2: Convert to fraction form
    13,448.06/20,172.00 = 3,452.76/x
  3. Step 3: Cross multiply
    13,448.06x = 20,172.00 × 3,452.76
  4. Step 4: Simplify right side
    13,448.06x = 69,649,087.67
  5. Step 5: Solve for x
    x = 69,649,087.67/13,448.06
  6. Step 6: Final answer
    x = 5,179.12

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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.