Home / 11,627.19-17,440.45-4,231.78

Finding the Fourth Proportional to 11,627.19, 17,440.45 and 4,231.78

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Solution

The fourth proportional to 11,627.19, 17,440.45 and 4,231.78 is: 6,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,627.19 : 17,440.45 = 4,231.78 : x
  2. Step 2: Convert to fraction form
    11,627.19/17,440.45 = 4,231.78/x
  3. Step 3: Cross multiply
    11,627.19x = 17,440.45 × 4,231.78
  4. Step 4: Simplify right side
    11,627.19x = 73,804,147.50
  5. Step 5: Solve for x
    x = 73,804,147.50/11,627.19
  6. Step 6: Final answer
    x = 6,347.55

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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.