Home / 13,615.45-20,424.33-3,754.73

Finding the Fourth Proportional to 13,615.45, 20,424.33 and 3,754.73

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Solution

The fourth proportional to 13,615.45, 20,424.33 and 3,754.73 is: 5,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615.45 : 20,424.33 = 3,754.73 : x
  2. Step 2: Convert to fraction form
    13,615.45/20,424.33 = 3,754.73/x
  3. Step 3: Cross multiply
    13,615.45x = 20,424.33 × 3,754.73
  4. Step 4: Simplify right side
    13,615.45x = 76,687,844.58
  5. Step 5: Solve for x
    x = 76,687,844.58/13,615.45
  6. Step 6: Final answer
    x = 5,632.41

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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.