Home / 22,280.80-33,413.10-7,490.20

Finding the Fourth Proportional to 22,280.80, 33,413.10 and 7,490.20

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Solution

The fourth proportional to 22,280.80, 33,413.10 and 7,490.20 is: 11,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.80 : 33,413.10 = 7,490.20 : x
  2. Step 2: Convert to fraction form
    22,280.80/33,413.10 = 7,490.20/x
  3. Step 3: Cross multiply
    22,280.80x = 33,413.10 × 7,490.20
  4. Step 4: Simplify right side
    22,280.80x = 250,270,801.62
  5. Step 5: Solve for x
    x = 250,270,801.62/22,280.80
  6. Step 6: Final answer
    x = 11,232.58

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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.