Home / 13,571.88-18,730.33-7,523.60

Finding the Fourth Proportional to 13,571.88, 18,730.33 and 7,523.60

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Solution

The fourth proportional to 13,571.88, 18,730.33 and 7,523.60 is: 10,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.88 : 18,730.33 = 7,523.60 : x
  2. Step 2: Convert to fraction form
    13,571.88/18,730.33 = 7,523.60/x
  3. Step 3: Cross multiply
    13,571.88x = 18,730.33 × 7,523.60
  4. Step 4: Simplify right side
    13,571.88x = 140,919,414.09
  5. Step 5: Solve for x
    x = 140,919,414.09/13,571.88
  6. Step 6: Final answer
    x = 10,383.19

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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.