Home / 14,413.76-21,627.36-14,180.80

Finding the Fourth Proportional to 14,413.76, 21,627.36 and 14,180.80

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Solution

The fourth proportional to 14,413.76, 21,627.36 and 14,180.80 is: 21,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.76 : 21,627.36 = 14,180.80 : x
  2. Step 2: Convert to fraction form
    14,413.76/21,627.36 = 14,180.80/x
  3. Step 3: Cross multiply
    14,413.76x = 21,627.36 × 14,180.80
  4. Step 4: Simplify right side
    14,413.76x = 306,693,266.69
  5. Step 5: Solve for x
    x = 306,693,266.69/14,413.76
  6. Step 6: Final answer
    x = 21,277.81

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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.