Home / 12,406.44-17,119.98-7,027.33

Finding the Fourth Proportional to 12,406.44, 17,119.98 and 7,027.33

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Solution

The fourth proportional to 12,406.44, 17,119.98 and 7,027.33 is: 9,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406.44 : 17,119.98 = 7,027.33 : x
  2. Step 2: Convert to fraction form
    12,406.44/17,119.98 = 7,027.33/x
  3. Step 3: Cross multiply
    12,406.44x = 17,119.98 × 7,027.33
  4. Step 4: Simplify right side
    12,406.44x = 120,307,749.05
  5. Step 5: Solve for x
    x = 120,307,749.05/12,406.44
  6. Step 6: Final answer
    x = 9,697.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.