Home / 14,010.89-20,979.24-11,556.65

Finding the Fourth Proportional to 14,010.89, 20,979.24 and 11,556.65

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Solution

The fourth proportional to 14,010.89, 20,979.24 and 11,556.65 is: 17,304.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.89 : 20,979.24 = 11,556.65 : x
  2. Step 2: Convert to fraction form
    14,010.89/20,979.24 = 11,556.65/x
  3. Step 3: Cross multiply
    14,010.89x = 20,979.24 × 11,556.65
  4. Step 4: Simplify right side
    14,010.89x = 242,449,743.06
  5. Step 5: Solve for x
    x = 242,449,743.06/14,010.89
  6. Step 6: Final answer
    x = 17,304.38

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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.