Home / 16,982.79-25,474.13-11,138.03

Finding the Fourth Proportional to 16,982.79, 25,474.13 and 11,138.03

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Solution

The fourth proportional to 16,982.79, 25,474.13 and 11,138.03 is: 16,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.79 : 25,474.13 = 11,138.03 : x
  2. Step 2: Convert to fraction form
    16,982.79/25,474.13 = 11,138.03/x
  3. Step 3: Cross multiply
    16,982.79x = 25,474.13 × 11,138.03
  4. Step 4: Simplify right side
    16,982.79x = 283,731,624.16
  5. Step 5: Solve for x
    x = 283,731,624.16/16,982.79
  6. Step 6: Final answer
    x = 16,707.01

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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.