Home / 11,527.31-15,907.25-6,491.75

Finding the Fourth Proportional to 11,527.31, 15,907.25 and 6,491.75

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Solution

The fourth proportional to 11,527.31, 15,907.25 and 6,491.75 is: 8,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,527.31 : 15,907.25 = 6,491.75 : x
  2. Step 2: Convert to fraction form
    11,527.31/15,907.25 = 6,491.75/x
  3. Step 3: Cross multiply
    11,527.31x = 15,907.25 × 6,491.75
  4. Step 4: Simplify right side
    11,527.31x = 103,265,826.88
  5. Step 5: Solve for x
    x = 103,265,826.88/11,527.31
  6. Step 6: Final answer
    x = 8,958.36

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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.