Home / 13,397.80-20,096.60-4,037.78

Finding the Fourth Proportional to 13,397.80, 20,096.60 and 4,037.78

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Solution

The fourth proportional to 13,397.80, 20,096.60 and 4,037.78 is: 6,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.80 : 20,096.60 = 4,037.78 : x
  2. Step 2: Convert to fraction form
    13,397.80/20,096.60 = 4,037.78/x
  3. Step 3: Cross multiply
    13,397.80x = 20,096.60 × 4,037.78
  4. Step 4: Simplify right side
    13,397.80x = 81,145,649.55
  5. Step 5: Solve for x
    x = 81,145,649.55/13,397.80
  6. Step 6: Final answer
    x = 6,056.64

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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.