Home / 17,902.07-26,856.15-7,377.78

Finding the Fourth Proportional to 17,902.07, 26,856.15 and 7,377.78

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Solution

The fourth proportional to 17,902.07, 26,856.15 and 7,377.78 is: 11,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.07 : 26,856.15 = 7,377.78 : x
  2. Step 2: Convert to fraction form
    17,902.07/26,856.15 = 7,377.78/x
  3. Step 3: Cross multiply
    17,902.07x = 26,856.15 × 7,377.78
  4. Step 4: Simplify right side
    17,902.07x = 198,138,766.35
  5. Step 5: Solve for x
    x = 198,138,766.35/17,902.07
  6. Step 6: Final answer
    x = 11,067.92

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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.