Home / 13,497.44-20,247.60-3,636.86

Finding the Fourth Proportional to 13,497.44, 20,247.60 and 3,636.86

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Solution

The fourth proportional to 13,497.44, 20,247.60 and 3,636.86 is: 5,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.44 : 20,247.60 = 3,636.86 : x
  2. Step 2: Convert to fraction form
    13,497.44/20,247.60 = 3,636.86/x
  3. Step 3: Cross multiply
    13,497.44x = 20,247.60 × 3,636.86
  4. Step 4: Simplify right side
    13,497.44x = 73,637,686.54
  5. Step 5: Solve for x
    x = 73,637,686.54/13,497.44
  6. Step 6: Final answer
    x = 5,455.68

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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.