Home / 11,407.95-17,111.79-4,012.38

Finding the Fourth Proportional to 11,407.95, 17,111.79 and 4,012.38

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Solution

The fourth proportional to 11,407.95, 17,111.79 and 4,012.38 is: 6,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.95 : 17,111.79 = 4,012.38 : x
  2. Step 2: Convert to fraction form
    11,407.95/17,111.79 = 4,012.38/x
  3. Step 3: Cross multiply
    11,407.95x = 17,111.79 × 4,012.38
  4. Step 4: Simplify right side
    11,407.95x = 68,659,003.96
  5. Step 5: Solve for x
    x = 68,659,003.96/11,407.95
  6. Step 6: Final answer
    x = 6,018.52

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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.