Home / 11,195.74-16,801.16-4,621.78

Finding the Fourth Proportional to 11,195.74, 16,801.16 and 4,621.78

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Solution

The fourth proportional to 11,195.74, 16,801.16 and 4,621.78 is: 6,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.74 : 16,801.16 = 4,621.78 : x
  2. Step 2: Convert to fraction form
    11,195.74/16,801.16 = 4,621.78/x
  3. Step 3: Cross multiply
    11,195.74x = 16,801.16 × 4,621.78
  4. Step 4: Simplify right side
    11,195.74x = 77,651,265.26
  5. Step 5: Solve for x
    x = 77,651,265.26/11,195.74
  6. Step 6: Final answer
    x = 6,935.79

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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.