Home / 17,439.76-26,144.94-7,571.62

Finding the Fourth Proportional to 17,439.76, 26,144.94 and 7,571.62

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Solution

The fourth proportional to 17,439.76, 26,144.94 and 7,571.62 is: 11,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439.76 : 26,144.94 = 7,571.62 : x
  2. Step 2: Convert to fraction form
    17,439.76/26,144.94 = 7,571.62/x
  3. Step 3: Cross multiply
    17,439.76x = 26,144.94 × 7,571.62
  4. Step 4: Simplify right side
    17,439.76x = 197,959,550.60
  5. Step 5: Solve for x
    x = 197,959,550.60/17,439.76
  6. Step 6: Final answer
    x = 11,351.05

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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.