Home / 19,190.37-26,478.85-11,231.06

Finding the Fourth Proportional to 19,190.37, 26,478.85 and 11,231.06

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Solution

The fourth proportional to 19,190.37, 26,478.85 and 11,231.06 is: 15,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.37 : 26,478.85 = 11,231.06 : x
  2. Step 2: Convert to fraction form
    19,190.37/26,478.85 = 11,231.06/x
  3. Step 3: Cross multiply
    19,190.37x = 26,478.85 × 11,231.06
  4. Step 4: Simplify right side
    19,190.37x = 297,385,413.67
  5. Step 5: Solve for x
    x = 297,385,413.67/19,190.37
  6. Step 6: Final answer
    x = 15,496.60

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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.