Home / 11,308.06-16,966.26-3,913.30

Finding the Fourth Proportional to 11,308.06, 16,966.26 and 3,913.30

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Solution

The fourth proportional to 11,308.06, 16,966.26 and 3,913.30 is: 5,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.06 : 16,966.26 = 3,913.30 : x
  2. Step 2: Convert to fraction form
    11,308.06/16,966.26 = 3,913.30/x
  3. Step 3: Cross multiply
    11,308.06x = 16,966.26 × 3,913.30
  4. Step 4: Simplify right side
    11,308.06x = 66,394,065.26
  5. Step 5: Solve for x
    x = 66,394,065.26/11,308.06
  6. Step 6: Final answer
    x = 5,871.39

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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.