Home / 11,615.26-16,028.31-6,580.54

Finding the Fourth Proportional to 11,615.26, 16,028.31 and 6,580.54

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Solution

The fourth proportional to 11,615.26, 16,028.31 and 6,580.54 is: 9,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.26 : 16,028.31 = 6,580.54 : x
  2. Step 2: Convert to fraction form
    11,615.26/16,028.31 = 6,580.54/x
  3. Step 3: Cross multiply
    11,615.26x = 16,028.31 × 6,580.54
  4. Step 4: Simplify right side
    11,615.26x = 105,474,935.09
  5. Step 5: Solve for x
    x = 105,474,935.09/11,615.26
  6. Step 6: Final answer
    x = 9,080.72

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1.5x scale

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.