Home / 11,242.29-16,863.74-2,922.12

Finding the Fourth Proportional to 11,242.29, 16,863.74 and 2,922.12

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Solution

The fourth proportional to 11,242.29, 16,863.74 and 2,922.12 is: 4,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.29 : 16,863.74 = 2,922.12 : x
  2. Step 2: Convert to fraction form
    11,242.29/16,863.74 = 2,922.12/x
  3. Step 3: Cross multiply
    11,242.29x = 16,863.74 × 2,922.12
  4. Step 4: Simplify right side
    11,242.29x = 49,277,871.93
  5. Step 5: Solve for x
    x = 49,277,871.93/11,242.29
  6. Step 6: Final answer
    x = 4,383.26

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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.