Home / 11,285.53-16,909.62-7,982.26

Finding the Fourth Proportional to 11,285.53, 16,909.62 and 7,982.26

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Solution

The fourth proportional to 11,285.53, 16,909.62 and 7,982.26 is: 11,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.53 : 16,909.62 = 7,982.26 : x
  2. Step 2: Convert to fraction form
    11,285.53/16,909.62 = 7,982.26/x
  3. Step 3: Cross multiply
    11,285.53x = 16,909.62 × 7,982.26
  4. Step 4: Simplify right side
    11,285.53x = 134,976,983.34
  5. Step 5: Solve for x
    x = 134,976,983.34/11,285.53
  6. Step 6: Final answer
    x = 11,960.18

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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.