Home / 19,336.68-26,684.10-11,379.38

Finding the Fourth Proportional to 19,336.68, 26,684.10 and 11,379.38

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Solution

The fourth proportional to 19,336.68, 26,684.10 and 11,379.38 is: 15,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.68 : 26,684.10 = 11,379.38 : x
  2. Step 2: Convert to fraction form
    19,336.68/26,684.10 = 11,379.38/x
  3. Step 3: Cross multiply
    19,336.68x = 26,684.10 × 11,379.38
  4. Step 4: Simplify right side
    19,336.68x = 303,648,380.44
  5. Step 5: Solve for x
    x = 303,648,380.44/19,336.68
  6. Step 6: Final answer
    x = 15,703.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.