Home / 13,744.34-20,608.81-4,382.66

Finding the Fourth Proportional to 13,744.34, 20,608.81 and 4,382.66

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Solution

The fourth proportional to 13,744.34, 20,608.81 and 4,382.66 is: 6,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.34 : 20,608.81 = 4,382.66 : x
  2. Step 2: Convert to fraction form
    13,744.34/20,608.81 = 4,382.66/x
  3. Step 3: Cross multiply
    13,744.34x = 20,608.81 × 4,382.66
  4. Step 4: Simplify right side
    13,744.34x = 90,321,407.23
  5. Step 5: Solve for x
    x = 90,321,407.23/13,744.34
  6. Step 6: Final answer
    x = 6,571.53

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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.