Home / 13,982.25-20,957.97-5,657.07

Finding the Fourth Proportional to 13,982.25, 20,957.97 and 5,657.07

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Solution

The fourth proportional to 13,982.25, 20,957.97 and 5,657.07 is: 8,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.25 : 20,957.97 = 5,657.07 : x
  2. Step 2: Convert to fraction form
    13,982.25/20,957.97 = 5,657.07/x
  3. Step 3: Cross multiply
    13,982.25x = 20,957.97 × 5,657.07
  4. Step 4: Simplify right side
    13,982.25x = 118,560,703.35
  5. Step 5: Solve for x
    x = 118,560,703.35/13,982.25
  6. Step 6: Final answer
    x = 8,479.37

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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.