Home / 11,150.25-15,386.88-6,676.50

Finding the Fourth Proportional to 11,150.25, 15,386.88 and 6,676.50

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Solution

The fourth proportional to 11,150.25, 15,386.88 and 6,676.50 is: 9,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.25 : 15,386.88 = 6,676.50 : x
  2. Step 2: Convert to fraction form
    11,150.25/15,386.88 = 6,676.50/x
  3. Step 3: Cross multiply
    11,150.25x = 15,386.88 × 6,676.50
  4. Step 4: Simplify right side
    11,150.25x = 102,730,504.32
  5. Step 5: Solve for x
    x = 102,730,504.32/11,150.25
  6. Step 6: Final answer
    x = 9,213.29

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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.