Home / 19,188.75-26,480.48-11,230.59

Finding the Fourth Proportional to 19,188.75, 26,480.48 and 11,230.59

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Solution

The fourth proportional to 19,188.75, 26,480.48 and 11,230.59 is: 15,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.75 : 26,480.48 = 11,230.59 : x
  2. Step 2: Convert to fraction form
    19,188.75/26,480.48 = 11,230.59/x
  3. Step 3: Cross multiply
    19,188.75x = 26,480.48 × 11,230.59
  4. Step 4: Simplify right side
    19,188.75x = 297,391,357.73
  5. Step 5: Solve for x
    x = 297,391,357.73/19,188.75
  6. Step 6: Final answer
    x = 15,498.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.