Home / 11,190.26-15,443.25-6,222.26

Finding the Fourth Proportional to 11,190.26, 15,443.25 and 6,222.26

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Solution

The fourth proportional to 11,190.26, 15,443.25 and 6,222.26 is: 8,587.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.26 : 15,443.25 = 6,222.26 : x
  2. Step 2: Convert to fraction form
    11,190.26/15,443.25 = 6,222.26/x
  3. Step 3: Cross multiply
    11,190.26x = 15,443.25 × 6,222.26
  4. Step 4: Simplify right side
    11,190.26x = 96,091,916.75
  5. Step 5: Solve for x
    x = 96,091,916.75/11,190.26
  6. Step 6: Final answer
    x = 8,587.10

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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.