Home / 11,810.74-17,711.96-3,488.54

Finding the Fourth Proportional to 11,810.74, 17,711.96 and 3,488.54

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Solution

The fourth proportional to 11,810.74, 17,711.96 and 3,488.54 is: 5,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.74 : 17,711.96 = 3,488.54 : x
  2. Step 2: Convert to fraction form
    11,810.74/17,711.96 = 3,488.54/x
  3. Step 3: Cross multiply
    11,810.74x = 17,711.96 × 3,488.54
  4. Step 4: Simplify right side
    11,810.74x = 61,788,880.94
  5. Step 5: Solve for x
    x = 61,788,880.94/11,810.74
  6. Step 6: Final answer
    x = 5,231.58

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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.