Home / 18,285.73-27,429.38-5,805.49

Finding the Fourth Proportional to 18,285.73, 27,429.38 and 5,805.49

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Solution

The fourth proportional to 18,285.73, 27,429.38 and 5,805.49 is: 8,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.73 : 27,429.38 = 5,805.49 : x
  2. Step 2: Convert to fraction form
    18,285.73/27,429.38 = 5,805.49/x
  3. Step 3: Cross multiply
    18,285.73x = 27,429.38 × 5,805.49
  4. Step 4: Simplify right side
    18,285.73x = 159,240,825.12
  5. Step 5: Solve for x
    x = 159,240,825.12/18,285.73
  6. Step 6: Final answer
    x = 8,708.48

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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.