Home / 9,145.43-13,718.64-2,571.09

Finding the Fourth Proportional to 9,145.43, 13,718.64 and 2,571.09

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Solution

The fourth proportional to 9,145.43, 13,718.64 and 2,571.09 is: 3,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.43 : 13,718.64 = 2,571.09 : x
  2. Step 2: Convert to fraction form
    9,145.43/13,718.64 = 2,571.09/x
  3. Step 3: Cross multiply
    9,145.43x = 13,718.64 × 2,571.09
  4. Step 4: Simplify right side
    9,145.43x = 35,271,858.12
  5. Step 5: Solve for x
    x = 35,271,858.12/9,145.43
  6. Step 6: Final answer
    x = 3,856.78

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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.