Home / 11,147.69-16,721.51-2,827.69

Finding the Fourth Proportional to 11,147.69, 16,721.51 and 2,827.69

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Solution

The fourth proportional to 11,147.69, 16,721.51 and 2,827.69 is: 4,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.69 : 16,721.51 = 2,827.69 : x
  2. Step 2: Convert to fraction form
    11,147.69/16,721.51 = 2,827.69/x
  3. Step 3: Cross multiply
    11,147.69x = 16,721.51 × 2,827.69
  4. Step 4: Simplify right side
    11,147.69x = 47,283,190.67
  5. Step 5: Solve for x
    x = 47,283,190.67/11,147.69
  6. Step 6: Final answer
    x = 4,241.52

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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.