Home / 11,890.34-17,835.67-5,650.97

Finding the Fourth Proportional to 11,890.34, 17,835.67 and 5,650.97

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Solution

The fourth proportional to 11,890.34, 17,835.67 and 5,650.97 is: 8,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.34 : 17,835.67 = 5,650.97 : x
  2. Step 2: Convert to fraction form
    11,890.34/17,835.67 = 5,650.97/x
  3. Step 3: Cross multiply
    11,890.34x = 17,835.67 × 5,650.97
  4. Step 4: Simplify right side
    11,890.34x = 100,788,836.10
  5. Step 5: Solve for x
    x = 100,788,836.10/11,890.34
  6. Step 6: Final answer
    x = 8,476.53

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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.