Home / 21,314.00-29,413.46-11,754.25

Finding the Fourth Proportional to 21,314.00, 29,413.46 and 11,754.25

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Solution

The fourth proportional to 21,314.00, 29,413.46 and 11,754.25 is: 16,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,314.00 : 29,413.46 = 11,754.25 : x
  2. Step 2: Convert to fraction form
    21,314.00/29,413.46 = 11,754.25/x
  3. Step 3: Cross multiply
    21,314.00x = 29,413.46 × 11,754.25
  4. Step 4: Simplify right side
    21,314.00x = 345,733,118.06
  5. Step 5: Solve for x
    x = 345,733,118.06/21,314.00
  6. Step 6: Final answer
    x = 16,220.94

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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.