Home / 17,911.31-24,709.94-11,185.26

Finding the Fourth Proportional to 17,911.31, 24,709.94 and 11,185.26

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Solution

The fourth proportional to 17,911.31, 24,709.94 and 11,185.26 is: 15,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.31 : 24,709.94 = 11,185.26 : x
  2. Step 2: Convert to fraction form
    17,911.31/24,709.94 = 11,185.26/x
  3. Step 3: Cross multiply
    17,911.31x = 24,709.94 × 11,185.26
  4. Step 4: Simplify right side
    17,911.31x = 276,387,182.17
  5. Step 5: Solve for x
    x = 276,387,182.17/17,911.31
  6. Step 6: Final answer
    x = 15,430.87

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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.