Home / 13,954.03-20,932.98-7,380.68

Finding the Fourth Proportional to 13,954.03, 20,932.98 and 7,380.68

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Solution

The fourth proportional to 13,954.03, 20,932.98 and 7,380.68 is: 11,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.03 : 20,932.98 = 7,380.68 : x
  2. Step 2: Convert to fraction form
    13,954.03/20,932.98 = 7,380.68/x
  3. Step 3: Cross multiply
    13,954.03x = 20,932.98 × 7,380.68
  4. Step 4: Simplify right side
    13,954.03x = 154,499,626.83
  5. Step 5: Solve for x
    x = 154,499,626.83/13,954.03
  6. Step 6: Final answer
    x = 11,072.04

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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.