Home / 13,593.75-20,292.39-12,620.54

Finding the Fourth Proportional to 13,593.75, 20,292.39 and 12,620.54

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Solution

The fourth proportional to 13,593.75, 20,292.39 and 12,620.54 is: 18,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.75 : 20,292.39 = 12,620.54 : x
  2. Step 2: Convert to fraction form
    13,593.75/20,292.39 = 12,620.54/x
  3. Step 3: Cross multiply
    13,593.75x = 20,292.39 × 12,620.54
  4. Step 4: Simplify right side
    13,593.75x = 256,100,818.23
  5. Step 5: Solve for x
    x = 256,100,818.23/13,593.75
  6. Step 6: Final answer
    x = 18,839.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.