Home / 11,405.80-17,097.36-3,608.74

Finding the Fourth Proportional to 11,405.80, 17,097.36 and 3,608.74

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Solution

The fourth proportional to 11,405.80, 17,097.36 and 3,608.74 is: 5,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.80 : 17,097.36 = 3,608.74 : x
  2. Step 2: Convert to fraction form
    11,405.80/17,097.36 = 3,608.74/x
  3. Step 3: Cross multiply
    11,405.80x = 17,097.36 × 3,608.74
  4. Step 4: Simplify right side
    11,405.80x = 61,699,926.93
  5. Step 5: Solve for x
    x = 61,699,926.93/11,405.80
  6. Step 6: Final answer
    x = 5,409.52

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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.