Home / 11,929.68-17,896.32-4,136.76

Finding the Fourth Proportional to 11,929.68, 17,896.32 and 4,136.76

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Solution

The fourth proportional to 11,929.68, 17,896.32 and 4,136.76 is: 6,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.68 : 17,896.32 = 4,136.76 : x
  2. Step 2: Convert to fraction form
    11,929.68/17,896.32 = 4,136.76/x
  3. Step 3: Cross multiply
    11,929.68x = 17,896.32 × 4,136.76
  4. Step 4: Simplify right side
    11,929.68x = 74,032,780.72
  5. Step 5: Solve for x
    x = 74,032,780.72/11,929.68
  6. Step 6: Final answer
    x = 6,205.76

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1.5x scale

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.