Home / 14,273.87-21,413.95-4,278.21

Finding the Fourth Proportional to 14,273.87, 21,413.95 and 4,278.21

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Solution

The fourth proportional to 14,273.87, 21,413.95 and 4,278.21 is: 6,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.87 : 21,413.95 = 4,278.21 : x
  2. Step 2: Convert to fraction form
    14,273.87/21,413.95 = 4,278.21/x
  3. Step 3: Cross multiply
    14,273.87x = 21,413.95 × 4,278.21
  4. Step 4: Simplify right side
    14,273.87x = 91,613,353.64
  5. Step 5: Solve for x
    x = 91,613,353.64/14,273.87
  6. Step 6: Final answer
    x = 6,418.26

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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.