Home / 11,281.26-16,920.55-2,961.93

Finding the Fourth Proportional to 11,281.26, 16,920.55 and 2,961.93

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Solution

The fourth proportional to 11,281.26, 16,920.55 and 2,961.93 is: 4,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.26 : 16,920.55 = 2,961.93 : x
  2. Step 2: Convert to fraction form
    11,281.26/16,920.55 = 2,961.93/x
  3. Step 3: Cross multiply
    11,281.26x = 16,920.55 × 2,961.93
  4. Step 4: Simplify right side
    11,281.26x = 50,117,484.66
  5. Step 5: Solve for x
    x = 50,117,484.66/11,281.26
  6. Step 6: Final answer
    x = 4,442.54

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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.