Home / 11,239.73-16,859.49-4,314.23

Finding the Fourth Proportional to 11,239.73, 16,859.49 and 4,314.23

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Solution

The fourth proportional to 11,239.73, 16,859.49 and 4,314.23 is: 6,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.73 : 16,859.49 = 4,314.23 : x
  2. Step 2: Convert to fraction form
    11,239.73/16,859.49 = 4,314.23/x
  3. Step 3: Cross multiply
    11,239.73x = 16,859.49 × 4,314.23
  4. Step 4: Simplify right side
    11,239.73x = 72,735,717.54
  5. Step 5: Solve for x
    x = 72,735,717.54/11,239.73
  6. Step 6: Final answer
    x = 6,471.30

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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.