Home / 9,429.73-14,144.63-2,855.97

Finding the Fourth Proportional to 9,429.73, 14,144.63 and 2,855.97

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Solution

The fourth proportional to 9,429.73, 14,144.63 and 2,855.97 is: 4,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.73 : 14,144.63 = 2,855.97 : x
  2. Step 2: Convert to fraction form
    9,429.73/14,144.63 = 2,855.97/x
  3. Step 3: Cross multiply
    9,429.73x = 14,144.63 × 2,855.97
  4. Step 4: Simplify right side
    9,429.73x = 40,396,638.94
  5. Step 5: Solve for x
    x = 40,396,638.94/9,429.73
  6. Step 6: Final answer
    x = 4,283.97

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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.