Home / 10,382.36-15,575.92-2,986.88

Finding the Fourth Proportional to 10,382.36, 15,575.92 and 2,986.88

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Solution

The fourth proportional to 10,382.36, 15,575.92 and 2,986.88 is: 4,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.36 : 15,575.92 = 2,986.88 : x
  2. Step 2: Convert to fraction form
    10,382.36/15,575.92 = 2,986.88/x
  3. Step 3: Cross multiply
    10,382.36x = 15,575.92 × 2,986.88
  4. Step 4: Simplify right side
    10,382.36x = 46,523,403.93
  5. Step 5: Solve for x
    x = 46,523,403.93/10,382.36
  6. Step 6: Final answer
    x = 4,481.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.