Home / 11,381.67-17,072.31-4,359.78

Finding the Fourth Proportional to 11,381.67, 17,072.31 and 4,359.78

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Solution

The fourth proportional to 11,381.67, 17,072.31 and 4,359.78 is: 6,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.67 : 17,072.31 = 4,359.78 : x
  2. Step 2: Convert to fraction form
    11,381.67/17,072.31 = 4,359.78/x
  3. Step 3: Cross multiply
    11,381.67x = 17,072.31 × 4,359.78
  4. Step 4: Simplify right side
    11,381.67x = 74,431,515.69
  5. Step 5: Solve for x
    x = 74,431,515.69/11,381.67
  6. Step 6: Final answer
    x = 6,539.60

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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.