Home / 12,161.07-18,241.61-2,927.07

Finding the Fourth Proportional to 12,161.07, 18,241.61 and 2,927.07

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Solution

The fourth proportional to 12,161.07, 18,241.61 and 2,927.07 is: 4,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.07 : 18,241.61 = 2,927.07 : x
  2. Step 2: Convert to fraction form
    12,161.07/18,241.61 = 2,927.07/x
  3. Step 3: Cross multiply
    12,161.07x = 18,241.61 × 2,927.07
  4. Step 4: Simplify right side
    12,161.07x = 53,394,454.75
  5. Step 5: Solve for x
    x = 53,394,454.75/12,161.07
  6. Step 6: Final answer
    x = 4,390.61

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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.