Home / 17,944.20-26,921.70-9,628.20

Finding the Fourth Proportional to 17,944.20, 26,921.70 and 9,628.20

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Solution

The fourth proportional to 17,944.20, 26,921.70 and 9,628.20 is: 14,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,944.20 : 26,921.70 = 9,628.20 : x
  2. Step 2: Convert to fraction form
    17,944.20/26,921.70 = 9,628.20/x
  3. Step 3: Cross multiply
    17,944.20x = 26,921.70 × 9,628.20
  4. Step 4: Simplify right side
    17,944.20x = 259,207,511.94
  5. Step 5: Solve for x
    x = 259,207,511.94/17,944.20
  6. Step 6: Final answer
    x = 14,445.20

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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.