Home / 26,198.69-39,300.37-7,478.37

Finding the Fourth Proportional to 26,198.69, 39,300.37 and 7,478.37

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Solution

The fourth proportional to 26,198.69, 39,300.37 and 7,478.37 is: 11,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,198.69 : 39,300.37 = 7,478.37 : x
  2. Step 2: Convert to fraction form
    26,198.69/39,300.37 = 7,478.37/x
  3. Step 3: Cross multiply
    26,198.69x = 39,300.37 × 7,478.37
  4. Step 4: Simplify right side
    26,198.69x = 293,902,689.30
  5. Step 5: Solve for x
    x = 293,902,689.30/26,198.69
  6. Step 6: Final answer
    x = 11,218.22

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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.