Home / 13,760.62-20,637.09-4,273.84

Finding the Fourth Proportional to 13,760.62, 20,637.09 and 4,273.84

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Solution

The fourth proportional to 13,760.62, 20,637.09 and 4,273.84 is: 6,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.62 : 20,637.09 = 4,273.84 : x
  2. Step 2: Convert to fraction form
    13,760.62/20,637.09 = 4,273.84/x
  3. Step 3: Cross multiply
    13,760.62x = 20,637.09 × 4,273.84
  4. Step 4: Simplify right side
    13,760.62x = 88,199,620.73
  5. Step 5: Solve for x
    x = 88,199,620.73/13,760.62
  6. Step 6: Final answer
    x = 6,409.57

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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.