Home / 13,485.03-20,229.05-3,625.08

Finding the Fourth Proportional to 13,485.03, 20,229.05 and 3,625.08

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Solution

The fourth proportional to 13,485.03, 20,229.05 and 3,625.08 is: 5,438.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.03 : 20,229.05 = 3,625.08 : x
  2. Step 2: Convert to fraction form
    13,485.03/20,229.05 = 3,625.08/x
  3. Step 3: Cross multiply
    13,485.03x = 20,229.05 × 3,625.08
  4. Step 4: Simplify right side
    13,485.03x = 73,331,906.45
  5. Step 5: Solve for x
    x = 73,331,906.45/13,485.03
  6. Step 6: Final answer
    x = 5,438.02

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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.