Home / 9,144.39-13,717.12-2,571.09

Finding the Fourth Proportional to 9,144.39, 13,717.12 and 2,571.09

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Solution

The fourth proportional to 9,144.39, 13,717.12 and 2,571.09 is: 3,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.39 : 13,717.12 = 2,571.09 : x
  2. Step 2: Convert to fraction form
    9,144.39/13,717.12 = 2,571.09/x
  3. Step 3: Cross multiply
    9,144.39x = 13,717.12 × 2,571.09
  4. Step 4: Simplify right side
    9,144.39x = 35,267,950.06
  5. Step 5: Solve for x
    x = 35,267,950.06/9,144.39
  6. Step 6: Final answer
    x = 3,856.79

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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.