Home / 13,974.06-20,954.94-7,398.71

Finding the Fourth Proportional to 13,974.06, 20,954.94 and 7,398.71

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Solution

The fourth proportional to 13,974.06, 20,954.94 and 7,398.71 is: 11,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.06 : 20,954.94 = 7,398.71 : x
  2. Step 2: Convert to fraction form
    13,974.06/20,954.94 = 7,398.71/x
  3. Step 3: Cross multiply
    13,974.06x = 20,954.94 × 7,398.71
  4. Step 4: Simplify right side
    13,974.06x = 155,039,604.26
  5. Step 5: Solve for x
    x = 155,039,604.26/13,974.06
  6. Step 6: Final answer
    x = 11,094.81

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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.