Home / 18,411.57-27,629.78-6,725.97

Finding the Fourth Proportional to 18,411.57, 27,629.78 and 6,725.97

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Solution

The fourth proportional to 18,411.57, 27,629.78 and 6,725.97 is: 10,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.57 : 27,629.78 = 6,725.97 : x
  2. Step 2: Convert to fraction form
    18,411.57/27,629.78 = 6,725.97/x
  3. Step 3: Cross multiply
    18,411.57x = 27,629.78 × 6,725.97
  4. Step 4: Simplify right side
    18,411.57x = 185,837,037.76
  5. Step 5: Solve for x
    x = 185,837,037.76/18,411.57
  6. Step 6: Final answer
    x = 10,093.49

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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.