Home / 13,037.60-17,991.04-7,372.96

Finding the Fourth Proportional to 13,037.60, 17,991.04 and 7,372.96

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Solution

The fourth proportional to 13,037.60, 17,991.04 and 7,372.96 is: 10,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.60 : 17,991.04 = 7,372.96 : x
  2. Step 2: Convert to fraction form
    13,037.60/17,991.04 = 7,372.96/x
  3. Step 3: Cross multiply
    13,037.60x = 17,991.04 × 7,372.96
  4. Step 4: Simplify right side
    13,037.60x = 132,647,218.28
  5. Step 5: Solve for x
    x = 132,647,218.28/13,037.60
  6. Step 6: Final answer
    x = 10,174.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.