Home / 11,425.62-17,139.81-4,028.55

Finding the Fourth Proportional to 11,425.62, 17,139.81 and 4,028.55

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Solution

The fourth proportional to 11,425.62, 17,139.81 and 4,028.55 is: 6,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.62 : 17,139.81 = 4,028.55 : x
  2. Step 2: Convert to fraction form
    11,425.62/17,139.81 = 4,028.55/x
  3. Step 3: Cross multiply
    11,425.62x = 17,139.81 × 4,028.55
  4. Step 4: Simplify right side
    11,425.62x = 69,048,581.58
  5. Step 5: Solve for x
    x = 69,048,581.58/11,425.62
  6. Step 6: Final answer
    x = 6,043.31

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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.