Home / 17,945.28-26,922.42-10,555.92

Finding the Fourth Proportional to 17,945.28, 26,922.42 and 10,555.92

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Solution

The fourth proportional to 17,945.28, 26,922.42 and 10,555.92 is: 15,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.28 : 26,922.42 = 10,555.92 : x
  2. Step 2: Convert to fraction form
    17,945.28/26,922.42 = 10,555.92/x
  3. Step 3: Cross multiply
    17,945.28x = 26,922.42 × 10,555.92
  4. Step 4: Simplify right side
    17,945.28x = 284,190,911.73
  5. Step 5: Solve for x
    x = 284,190,911.73/17,945.28
  6. Step 6: Final answer
    x = 15,836.53

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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.