Home / 13,548.12-20,321.03-4,662.72

Finding the Fourth Proportional to 13,548.12, 20,321.03 and 4,662.72

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Solution

The fourth proportional to 13,548.12, 20,321.03 and 4,662.72 is: 6,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.12 : 20,321.03 = 4,662.72 : x
  2. Step 2: Convert to fraction form
    13,548.12/20,321.03 = 4,662.72/x
  3. Step 3: Cross multiply
    13,548.12x = 20,321.03 × 4,662.72
  4. Step 4: Simplify right side
    13,548.12x = 94,751,273.00
  5. Step 5: Solve for x
    x = 94,751,273.00/13,548.12
  6. Step 6: Final answer
    x = 6,993.68

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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.