Home / 11,378.49-17,067.74-3,587.91

Finding the Fourth Proportional to 11,378.49, 17,067.74 and 3,587.91

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Solution

The fourth proportional to 11,378.49, 17,067.74 and 3,587.91 is: 5,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.49 : 17,067.74 = 3,587.91 : x
  2. Step 2: Convert to fraction form
    11,378.49/17,067.74 = 3,587.91/x
  3. Step 3: Cross multiply
    11,378.49x = 17,067.74 × 3,587.91
  4. Step 4: Simplify right side
    11,378.49x = 61,237,433.08
  5. Step 5: Solve for x
    x = 61,237,433.08/11,378.49
  6. Step 6: Final answer
    x = 5,381.86

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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.