Home / 11,815.34-17,723.01-3,495.44

Finding the Fourth Proportional to 11,815.34, 17,723.01 and 3,495.44

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Solution

The fourth proportional to 11,815.34, 17,723.01 and 3,495.44 is: 5,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.34 : 17,723.01 = 3,495.44 : x
  2. Step 2: Convert to fraction form
    11,815.34/17,723.01 = 3,495.44/x
  3. Step 3: Cross multiply
    11,815.34x = 17,723.01 × 3,495.44
  4. Step 4: Simplify right side
    11,815.34x = 61,949,718.07
  5. Step 5: Solve for x
    x = 61,949,718.07/11,815.34
  6. Step 6: Final answer
    x = 5,243.16

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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.