Home / 11,934.68-17,782.09-11,264

Finding the Fourth Proportional to 11,934.68, 17,782.09 and 11,264

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Solution

The fourth proportional to 11,934.68, 17,782.09 and 11,264 is: 16,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.68 : 17,782.09 = 11,264 : x
  2. Step 2: Convert to fraction form
    11,934.68/17,782.09 = 11,264/x
  3. Step 3: Cross multiply
    11,934.68x = 17,782.09 × 11,264
  4. Step 4: Simplify right side
    11,934.68x = 200,297,461.76
  5. Step 5: Solve for x
    x = 200,297,461.76/11,934.68
  6. Step 6: Final answer
    x = 16,782.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.