Home / 17,781.62-26,673.79-5,300.69

Finding the Fourth Proportional to 17,781.62, 26,673.79 and 5,300.69

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Solution

The fourth proportional to 17,781.62, 26,673.79 and 5,300.69 is: 7,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.62 : 26,673.79 = 5,300.69 : x
  2. Step 2: Convert to fraction form
    17,781.62/26,673.79 = 5,300.69/x
  3. Step 3: Cross multiply
    17,781.62x = 26,673.79 × 5,300.69
  4. Step 4: Simplify right side
    17,781.62x = 141,389,571.85
  5. Step 5: Solve for x
    x = 141,389,571.85/17,781.62
  6. Step 6: Final answer
    x = 7,951.44

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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.