Home / 18,481.97-27,733.89-9,717.57

Finding the Fourth Proportional to 18,481.97, 27,733.89 and 9,717.57

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Solution

The fourth proportional to 18,481.97, 27,733.89 and 9,717.57 is: 14,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.97 : 27,733.89 = 9,717.57 : x
  2. Step 2: Convert to fraction form
    18,481.97/27,733.89 = 9,717.57/x
  3. Step 3: Cross multiply
    18,481.97x = 27,733.89 × 9,717.57
  4. Step 4: Simplify right side
    18,481.97x = 269,506,053.89
  5. Step 5: Solve for x
    x = 269,506,053.89/18,481.97
  6. Step 6: Final answer
    x = 14,582.10

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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.