Home / 13,177.07-19,764.89-3,316.33

Finding the Fourth Proportional to 13,177.07, 19,764.89 and 3,316.33

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Solution

The fourth proportional to 13,177.07, 19,764.89 and 3,316.33 is: 4,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.07 : 19,764.89 = 3,316.33 : x
  2. Step 2: Convert to fraction form
    13,177.07/19,764.89 = 3,316.33/x
  3. Step 3: Cross multiply
    13,177.07x = 19,764.89 × 3,316.33
  4. Step 4: Simplify right side
    13,177.07x = 65,546,897.65
  5. Step 5: Solve for x
    x = 65,546,897.65/13,177.07
  6. Step 6: Final answer
    x = 4,974.32

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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.