Home / 12,722.92-17,571.36-9,923.56

Finding the Fourth Proportional to 12,722.92, 17,571.36 and 9,923.56

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Solution

The fourth proportional to 12,722.92, 17,571.36 and 9,923.56 is: 13,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.92 : 17,571.36 = 9,923.56 : x
  2. Step 2: Convert to fraction form
    12,722.92/17,571.36 = 9,923.56/x
  3. Step 3: Cross multiply
    12,722.92x = 17,571.36 × 9,923.56
  4. Step 4: Simplify right side
    12,722.92x = 174,370,307.77
  5. Step 5: Solve for x
    x = 174,370,307.77/12,722.92
  6. Step 6: Final answer
    x = 13,705.22

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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.