Home / 11,942.02-16,480.67-6,638.54

Finding the Fourth Proportional to 11,942.02, 16,480.67 and 6,638.54

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Solution

The fourth proportional to 11,942.02, 16,480.67 and 6,638.54 is: 9,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.02 : 16,480.67 = 6,638.54 : x
  2. Step 2: Convert to fraction form
    11,942.02/16,480.67 = 6,638.54/x
  3. Step 3: Cross multiply
    11,942.02x = 16,480.67 × 6,638.54
  4. Step 4: Simplify right side
    11,942.02x = 109,407,564.13
  5. Step 5: Solve for x
    x = 109,407,564.13/11,942.02
  6. Step 6: Final answer
    x = 9,161.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.