Home / 22,413.57-30,920.33-14,458.35

Finding the Fourth Proportional to 22,413.57, 30,920.33 and 14,458.35

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Solution

The fourth proportional to 22,413.57, 30,920.33 and 14,458.35 is: 19,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,413.57 : 30,920.33 = 14,458.35 : x
  2. Step 2: Convert to fraction form
    22,413.57/30,920.33 = 14,458.35/x
  3. Step 3: Cross multiply
    22,413.57x = 30,920.33 × 14,458.35
  4. Step 4: Simplify right side
    22,413.57x = 447,057,105.35
  5. Step 5: Solve for x
    x = 447,057,105.35/22,413.57
  6. Step 6: Final answer
    x = 19,945.83

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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.