Home / 11,540.10-15,933.87-7,069.95

Finding the Fourth Proportional to 11,540.10, 15,933.87 and 7,069.95

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Solution

The fourth proportional to 11,540.10, 15,933.87 and 7,069.95 is: 9,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.10 : 15,933.87 = 7,069.95 : x
  2. Step 2: Convert to fraction form
    11,540.10/15,933.87 = 7,069.95/x
  3. Step 3: Cross multiply
    11,540.10x = 15,933.87 × 7,069.95
  4. Step 4: Simplify right side
    11,540.10x = 112,651,664.21
  5. Step 5: Solve for x
    x = 112,651,664.21/11,540.10
  6. Step 6: Final answer
    x = 9,761.76

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Why These Related Problems?

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