Home / 11,526.11-15,907.55-6,491.31

Finding the Fourth Proportional to 11,526.11, 15,907.55 and 6,491.31

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Solution

The fourth proportional to 11,526.11, 15,907.55 and 6,491.31 is: 8,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.11 : 15,907.55 = 6,491.31 : x
  2. Step 2: Convert to fraction form
    11,526.11/15,907.55 = 6,491.31/x
  3. Step 3: Cross multiply
    11,526.11x = 15,907.55 × 6,491.31
  4. Step 4: Simplify right side
    11,526.11x = 103,260,805.93
  5. Step 5: Solve for x
    x = 103,260,805.93/11,526.11
  6. Step 6: Final answer
    x = 8,958.86

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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.