Home / 11,148.43-16,722.67-2,828.45

Finding the Fourth Proportional to 11,148.43, 16,722.67 and 2,828.45

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Solution

The fourth proportional to 11,148.43, 16,722.67 and 2,828.45 is: 4,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.43 : 16,722.67 = 2,828.45 : x
  2. Step 2: Convert to fraction form
    11,148.43/16,722.67 = 2,828.45/x
  3. Step 3: Cross multiply
    11,148.43x = 16,722.67 × 2,828.45
  4. Step 4: Simplify right side
    11,148.43x = 47,299,235.96
  5. Step 5: Solve for x
    x = 47,299,235.96/11,148.43
  6. Step 6: Final answer
    x = 4,242.68

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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.