Home / 11,277.38-16,913.60-3,781.99

Finding the Fourth Proportional to 11,277.38, 16,913.60 and 3,781.99

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Solution

The fourth proportional to 11,277.38, 16,913.60 and 3,781.99 is: 5,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.38 : 16,913.60 = 3,781.99 : x
  2. Step 2: Convert to fraction form
    11,277.38/16,913.60 = 3,781.99/x
  3. Step 3: Cross multiply
    11,277.38x = 16,913.60 × 3,781.99
  4. Step 4: Simplify right side
    11,277.38x = 63,967,077.16
  5. Step 5: Solve for x
    x = 63,967,077.16/11,277.38
  6. Step 6: Final answer
    x = 5,672.16

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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.