Home / 17,344.80-23,929.43-11,379.78

Finding the Fourth Proportional to 17,344.80, 23,929.43 and 11,379.78

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Solution

The fourth proportional to 17,344.80, 23,929.43 and 11,379.78 is: 15,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,344.80 : 23,929.43 = 11,379.78 : x
  2. Step 2: Convert to fraction form
    17,344.80/23,929.43 = 11,379.78/x
  3. Step 3: Cross multiply
    17,344.80x = 23,929.43 × 11,379.78
  4. Step 4: Simplify right side
    17,344.80x = 272,311,592.03
  5. Step 5: Solve for x
    x = 272,311,592.03/17,344.80
  6. Step 6: Final answer
    x = 15,699.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.