Home / 11,140.83-15,374.25-6,105.33

Finding the Fourth Proportional to 11,140.83, 15,374.25 and 6,105.33

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Solution

The fourth proportional to 11,140.83, 15,374.25 and 6,105.33 is: 8,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.83 : 15,374.25 = 6,105.33 : x
  2. Step 2: Convert to fraction form
    11,140.83/15,374.25 = 6,105.33/x
  3. Step 3: Cross multiply
    11,140.83x = 15,374.25 × 6,105.33
  4. Step 4: Simplify right side
    11,140.83x = 93,864,869.75
  5. Step 5: Solve for x
    x = 93,864,869.75/11,140.83
  6. Step 6: Final answer
    x = 8,425.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.