Home / 13,334.80-20,003.36-3,474.06

Finding the Fourth Proportional to 13,334.80, 20,003.36 and 3,474.06

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Solution

The fourth proportional to 13,334.80, 20,003.36 and 3,474.06 is: 5,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.80 : 20,003.36 = 3,474.06 : x
  2. Step 2: Convert to fraction form
    13,334.80/20,003.36 = 3,474.06/x
  3. Step 3: Cross multiply
    13,334.80x = 20,003.36 × 3,474.06
  4. Step 4: Simplify right side
    13,334.80x = 69,492,872.84
  5. Step 5: Solve for x
    x = 69,492,872.84/13,334.80
  6. Step 6: Final answer
    x = 5,211.39

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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.