Home / 10,381.97-15,575.53-2,986.92

Finding the Fourth Proportional to 10,381.97, 15,575.53 and 2,986.92

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Solution

The fourth proportional to 10,381.97, 15,575.53 and 2,986.92 is: 4,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.97 : 15,575.53 = 2,986.92 : x
  2. Step 2: Convert to fraction form
    10,381.97/15,575.53 = 2,986.92/x
  3. Step 3: Cross multiply
    10,381.97x = 15,575.53 × 2,986.92
  4. Step 4: Simplify right side
    10,381.97x = 46,522,862.07
  5. Step 5: Solve for x
    x = 46,522,862.07/10,381.97
  6. Step 6: Final answer
    x = 4,481.12

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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.