Home / 11,403.06-17,104.50-3,611.68

Finding the Fourth Proportional to 11,403.06, 17,104.50 and 3,611.68

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Solution

The fourth proportional to 11,403.06, 17,104.50 and 3,611.68 is: 5,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.06 : 17,104.50 = 3,611.68 : x
  2. Step 2: Convert to fraction form
    11,403.06/17,104.50 = 3,611.68/x
  3. Step 3: Cross multiply
    11,403.06x = 17,104.50 × 3,611.68
  4. Step 4: Simplify right side
    11,403.06x = 61,775,980.56
  5. Step 5: Solve for x
    x = 61,775,980.56/11,403.06
  6. Step 6: Final answer
    x = 5,417.49

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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.