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Finding the Fourth Proportional to 17,986.92, 26,982.30 and 6,903

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Solution

The fourth proportional to 17,986.92, 26,982.30 and 6,903 is: 10,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.92 : 26,982.30 = 6,903 : x
  2. Step 2: Convert to fraction form
    17,986.92/26,982.30 = 6,903/x
  3. Step 3: Cross multiply
    17,986.92x = 26,982.30 × 6,903
  4. Step 4: Simplify right side
    17,986.92x = 186,258,816.90
  5. Step 5: Solve for x
    x = 186,258,816.90/17,986.92
  6. Step 6: Final answer
    x = 10,355.24

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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.