Home / 13,021.69-19,533.30-3,662.47

Finding the Fourth Proportional to 13,021.69, 19,533.30 and 3,662.47

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Solution

The fourth proportional to 13,021.69, 19,533.30 and 3,662.47 is: 5,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.69 : 19,533.30 = 3,662.47 : x
  2. Step 2: Convert to fraction form
    13,021.69/19,533.30 = 3,662.47/x
  3. Step 3: Cross multiply
    13,021.69x = 19,533.30 × 3,662.47
  4. Step 4: Simplify right side
    13,021.69x = 71,540,125.25
  5. Step 5: Solve for x
    x = 71,540,125.25/13,021.69
  6. Step 6: Final answer
    x = 5,493.92

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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.