Home / 20,324.33-30,486.76-7,167.48

Finding the Fourth Proportional to 20,324.33, 30,486.76 and 7,167.48

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Solution

The fourth proportional to 20,324.33, 30,486.76 and 7,167.48 is: 10,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.33 : 30,486.76 = 7,167.48 : x
  2. Step 2: Convert to fraction form
    20,324.33/30,486.76 = 7,167.48/x
  3. Step 3: Cross multiply
    20,324.33x = 30,486.76 × 7,167.48
  4. Step 4: Simplify right side
    20,324.33x = 218,513,224.65
  5. Step 5: Solve for x
    x = 218,513,224.65/20,324.33
  6. Step 6: Final answer
    x = 10,751.31

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1.5x scale

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.