Home / 16,982.61-25,474.73-7,122.21

Finding the Fourth Proportional to 16,982.61, 25,474.73 and 7,122.21

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Solution

The fourth proportional to 16,982.61, 25,474.73 and 7,122.21 is: 10,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.61 : 25,474.73 = 7,122.21 : x
  2. Step 2: Convert to fraction form
    16,982.61/25,474.73 = 7,122.21/x
  3. Step 3: Cross multiply
    16,982.61x = 25,474.73 × 7,122.21
  4. Step 4: Simplify right side
    16,982.61x = 181,436,376.75
  5. Step 5: Solve for x
    x = 181,436,376.75/16,982.61
  6. Step 6: Final answer
    x = 10,683.66

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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.