Home / 11,272.38-16,902.36-3,480.18

Finding the Fourth Proportional to 11,272.38, 16,902.36 and 3,480.18

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Solution

The fourth proportional to 11,272.38, 16,902.36 and 3,480.18 is: 5,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.38 : 16,902.36 = 3,480.18 : x
  2. Step 2: Convert to fraction form
    11,272.38/16,902.36 = 3,480.18/x
  3. Step 3: Cross multiply
    11,272.38x = 16,902.36 × 3,480.18
  4. Step 4: Simplify right side
    11,272.38x = 58,823,255.22
  5. Step 5: Solve for x
    x = 58,823,255.22/11,272.38
  6. Step 6: Final answer
    x = 5,218.35

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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.