Home / 14,146.95-21,220.48-6,728.97

Finding the Fourth Proportional to 14,146.95, 21,220.48 and 6,728.97

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Solution

The fourth proportional to 14,146.95, 21,220.48 and 6,728.97 is: 10,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.95 : 21,220.48 = 6,728.97 : x
  2. Step 2: Convert to fraction form
    14,146.95/21,220.48 = 6,728.97/x
  3. Step 3: Cross multiply
    14,146.95x = 21,220.48 × 6,728.97
  4. Step 4: Simplify right side
    14,146.95x = 142,792,061.29
  5. Step 5: Solve for x
    x = 142,792,061.29/14,146.95
  6. Step 6: Final answer
    x = 10,093.48

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Similar ratio
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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.