Home / 13,027.09-19,540.36-3,166.42

Finding the Fourth Proportional to 13,027.09, 19,540.36 and 3,166.42

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Solution

The fourth proportional to 13,027.09, 19,540.36 and 3,166.42 is: 4,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.09 : 19,540.36 = 3,166.42 : x
  2. Step 2: Convert to fraction form
    13,027.09/19,540.36 = 3,166.42/x
  3. Step 3: Cross multiply
    13,027.09x = 19,540.36 × 3,166.42
  4. Step 4: Simplify right side
    13,027.09x = 61,872,986.71
  5. Step 5: Solve for x
    x = 61,872,986.71/13,027.09
  6. Step 6: Final answer
    x = 4,749.56

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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.