Home / 9,722.97-13,388.27-8,148.33

Finding the Fourth Proportional to 9,722.97, 13,388.27 and 8,148.33

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Solution

The fourth proportional to 9,722.97, 13,388.27 and 8,148.33 is: 11,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.97 : 13,388.27 = 8,148.33 : x
  2. Step 2: Convert to fraction form
    9,722.97/13,388.27 = 8,148.33/x
  3. Step 3: Cross multiply
    9,722.97x = 13,388.27 × 8,148.33
  4. Step 4: Simplify right side
    9,722.97x = 109,092,001.35
  5. Step 5: Solve for x
    x = 109,092,001.35/9,722.97
  6. Step 6: Final answer
    x = 11,220.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.