Home / 19,190.79-28,761.98-10,284.03

Finding the Fourth Proportional to 19,190.79, 28,761.98 and 10,284.03

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Solution

The fourth proportional to 19,190.79, 28,761.98 and 10,284.03 is: 15,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.79 : 28,761.98 = 10,284.03 : x
  2. Step 2: Convert to fraction form
    19,190.79/28,761.98 = 10,284.03/x
  3. Step 3: Cross multiply
    19,190.79x = 28,761.98 × 10,284.03
  4. Step 4: Simplify right side
    19,190.79x = 295,789,065.18
  5. Step 5: Solve for x
    x = 295,789,065.18/19,190.79
  6. Step 6: Final answer
    x = 15,413.07

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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.