Home / 11,890.05-17,835.93-4,098.75

Finding the Fourth Proportional to 11,890.05, 17,835.93 and 4,098.75

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Solution

The fourth proportional to 11,890.05, 17,835.93 and 4,098.75 is: 6,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.05 : 17,835.93 = 4,098.75 : x
  2. Step 2: Convert to fraction form
    11,890.05/17,835.93 = 4,098.75/x
  3. Step 3: Cross multiply
    11,890.05x = 17,835.93 × 4,098.75
  4. Step 4: Simplify right side
    11,890.05x = 73,105,018.09
  5. Step 5: Solve for x
    x = 73,105,018.09/11,890.05
  6. Step 6: Final answer
    x = 6,148.42

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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.