Home / 13,464.05-20,195.78-3,603.33

Finding the Fourth Proportional to 13,464.05, 20,195.78 and 3,603.33

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Solution

The fourth proportional to 13,464.05, 20,195.78 and 3,603.33 is: 5,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.05 : 20,195.78 = 3,603.33 : x
  2. Step 2: Convert to fraction form
    13,464.05/20,195.78 = 3,603.33/x
  3. Step 3: Cross multiply
    13,464.05x = 20,195.78 × 3,603.33
  4. Step 4: Simplify right side
    13,464.05x = 72,772,059.95
  5. Step 5: Solve for x
    x = 72,772,059.95/13,464.05
  6. Step 6: Final answer
    x = 5,404.92

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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.