Home / 11,938.26-17,907.38-4,147.14

Finding the Fourth Proportional to 11,938.26, 17,907.38 and 4,147.14

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Solution

The fourth proportional to 11,938.26, 17,907.38 and 4,147.14 is: 6,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.26 : 17,907.38 = 4,147.14 : x
  2. Step 2: Convert to fraction form
    11,938.26/17,907.38 = 4,147.14/x
  3. Step 3: Cross multiply
    11,938.26x = 17,907.38 × 4,147.14
  4. Step 4: Simplify right side
    11,938.26x = 74,264,411.89
  5. Step 5: Solve for x
    x = 74,264,411.89/11,938.26
  6. Step 6: Final answer
    x = 6,220.71

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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.