Home / 11,287.10-15,577.17-6,571.82

Finding the Fourth Proportional to 11,287.10, 15,577.17 and 6,571.82

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Solution

The fourth proportional to 11,287.10, 15,577.17 and 6,571.82 is: 9,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.10 : 15,577.17 = 6,571.82 : x
  2. Step 2: Convert to fraction form
    11,287.10/15,577.17 = 6,571.82/x
  3. Step 3: Cross multiply
    11,287.10x = 15,577.17 × 6,571.82
  4. Step 4: Simplify right side
    11,287.10x = 102,370,357.35
  5. Step 5: Solve for x
    x = 102,370,357.35/11,287.10
  6. Step 6: Final answer
    x = 9,069.68

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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.