Home / 11,926.10-17,894.21-6,378

Finding the Fourth Proportional to 11,926.10, 17,894.21 and 6,378

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Solution

The fourth proportional to 11,926.10, 17,894.21 and 6,378 is: 9,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.10 : 17,894.21 = 6,378 : x
  2. Step 2: Convert to fraction form
    11,926.10/17,894.21 = 6,378/x
  3. Step 3: Cross multiply
    11,926.10x = 17,894.21 × 6,378
  4. Step 4: Simplify right side
    11,926.10x = 114,129,239.49
  5. Step 5: Solve for x
    x = 114,129,239.49/11,926.10
  6. Step 6: Final answer
    x = 9,569.71

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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.