Home / 13,428.63-20,147.24-5,534.84

Finding the Fourth Proportional to 13,428.63, 20,147.24 and 5,534.84

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Solution

The fourth proportional to 13,428.63, 20,147.24 and 5,534.84 is: 8,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428.63 : 20,147.24 = 5,534.84 : x
  2. Step 2: Convert to fraction form
    13,428.63/20,147.24 = 5,534.84/x
  3. Step 3: Cross multiply
    13,428.63x = 20,147.24 × 5,534.84
  4. Step 4: Simplify right side
    13,428.63x = 111,511,738.49
  5. Step 5: Solve for x
    x = 111,511,738.49/13,428.63
  6. Step 6: Final answer
    x = 8,304.03

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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.