Home / 19,142.44-26,416.34-11,185.88

Finding the Fourth Proportional to 19,142.44, 26,416.34 and 11,185.88

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Solution

The fourth proportional to 19,142.44, 26,416.34 and 11,185.88 is: 15,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.44 : 26,416.34 = 11,185.88 : x
  2. Step 2: Convert to fraction form
    19,142.44/26,416.34 = 11,185.88/x
  3. Step 3: Cross multiply
    19,142.44x = 26,416.34 × 11,185.88
  4. Step 4: Simplify right side
    19,142.44x = 295,490,009.28
  5. Step 5: Solve for x
    x = 295,490,009.28/19,142.44
  6. Step 6: Final answer
    x = 15,436.38

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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.