Home / 9,144.97-13,718.57-2,905.34

Finding the Fourth Proportional to 9,144.97, 13,718.57 and 2,905.34

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Solution

The fourth proportional to 9,144.97, 13,718.57 and 2,905.34 is: 4,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.97 : 13,718.57 = 2,905.34 : x
  2. Step 2: Convert to fraction form
    9,144.97/13,718.57 = 2,905.34/x
  3. Step 3: Cross multiply
    9,144.97x = 13,718.57 × 2,905.34
  4. Step 4: Simplify right side
    9,144.97x = 39,857,027.04
  5. Step 5: Solve for x
    x = 39,857,027.04/9,144.97
  6. Step 6: Final answer
    x = 4,358.36

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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.