Home / 17,481.98-26,193.80-12,278.54

Finding the Fourth Proportional to 17,481.98, 26,193.80 and 12,278.54

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Solution

The fourth proportional to 17,481.98, 26,193.80 and 12,278.54 is: 18,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481.98 : 26,193.80 = 12,278.54 : x
  2. Step 2: Convert to fraction form
    17,481.98/26,193.80 = 12,278.54/x
  3. Step 3: Cross multiply
    17,481.98x = 26,193.80 × 12,278.54
  4. Step 4: Simplify right side
    17,481.98x = 321,621,428.69
  5. Step 5: Solve for x
    x = 321,621,428.69/17,481.98
  6. Step 6: Final answer
    x = 18,397.32

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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.