Home / 11,237.70-16,856.82-2,918.06

Finding the Fourth Proportional to 11,237.70, 16,856.82 and 2,918.06

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Solution

The fourth proportional to 11,237.70, 16,856.82 and 2,918.06 is: 4,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.70 : 16,856.82 = 2,918.06 : x
  2. Step 2: Convert to fraction form
    11,237.70/16,856.82 = 2,918.06/x
  3. Step 3: Cross multiply
    11,237.70x = 16,856.82 × 2,918.06
  4. Step 4: Simplify right side
    11,237.70x = 49,189,127.89
  5. Step 5: Solve for x
    x = 49,189,127.89/11,237.70
  6. Step 6: Final answer
    x = 4,377.15

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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.