Home / 13,091.10-19,636.74-3,731.22

Finding the Fourth Proportional to 13,091.10, 19,636.74 and 3,731.22

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Solution

The fourth proportional to 13,091.10, 19,636.74 and 3,731.22 is: 5,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.10 : 19,636.74 = 3,731.22 : x
  2. Step 2: Convert to fraction form
    13,091.10/19,636.74 = 3,731.22/x
  3. Step 3: Cross multiply
    13,091.10x = 19,636.74 × 3,731.22
  4. Step 4: Simplify right side
    13,091.10x = 73,268,997.02
  5. Step 5: Solve for x
    x = 73,268,997.02/13,091.10
  6. Step 6: Final answer
    x = 5,596.86

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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.