Home / 11,367.12-15,685.50-6,331.15

Finding the Fourth Proportional to 11,367.12, 15,685.50 and 6,331.15

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Solution

The fourth proportional to 11,367.12, 15,685.50 and 6,331.15 is: 8,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,367.12 : 15,685.50 = 6,331.15 : x
  2. Step 2: Convert to fraction form
    11,367.12/15,685.50 = 6,331.15/x
  3. Step 3: Cross multiply
    11,367.12x = 15,685.50 × 6,331.15
  4. Step 4: Simplify right side
    11,367.12x = 99,307,253.33
  5. Step 5: Solve for x
    x = 99,307,253.33/11,367.12
  6. Step 6: Final answer
    x = 8,736.36

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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.