Home / 18,673.77-27,981.46-11,733.69

Finding the Fourth Proportional to 18,673.77, 27,981.46 and 11,733.69

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Solution

The fourth proportional to 18,673.77, 27,981.46 and 11,733.69 is: 17,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.77 : 27,981.46 = 11,733.69 : x
  2. Step 2: Convert to fraction form
    18,673.77/27,981.46 = 11,733.69/x
  3. Step 3: Cross multiply
    18,673.77x = 27,981.46 × 11,733.69
  4. Step 4: Simplify right side
    18,673.77x = 328,325,896.98
  5. Step 5: Solve for x
    x = 328,325,896.98/18,673.77
  6. Step 6: Final answer
    x = 17,582.19

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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.