Home / 9,119.32-13,670.98-3,195.25

Finding the Fourth Proportional to 9,119.32, 13,670.98 and 3,195.25

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Solution

The fourth proportional to 9,119.32, 13,670.98 and 3,195.25 is: 4,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.32 : 13,670.98 = 3,195.25 : x
  2. Step 2: Convert to fraction form
    9,119.32/13,670.98 = 3,195.25/x
  3. Step 3: Cross multiply
    9,119.32x = 13,670.98 × 3,195.25
  4. Step 4: Simplify right side
    9,119.32x = 43,682,156.68
  5. Step 5: Solve for x
    x = 43,682,156.68/9,119.32
  6. Step 6: Final answer
    x = 4,790.07

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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.