Home / 13,465.05-20,197.28-3,604.33

Finding the Fourth Proportional to 13,465.05, 20,197.28 and 3,604.33

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Solution

The fourth proportional to 13,465.05, 20,197.28 and 3,604.33 is: 5,406.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.05 : 20,197.28 = 3,604.33 : x
  2. Step 2: Convert to fraction form
    13,465.05/20,197.28 = 3,604.33/x
  3. Step 3: Cross multiply
    13,465.05x = 20,197.28 × 3,604.33
  4. Step 4: Simplify right side
    13,465.05x = 72,797,662.22
  5. Step 5: Solve for x
    x = 72,797,662.22/13,465.05
  6. Step 6: Final answer
    x = 5,406.42

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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.