Home / 10,387.88-15,584.56-2,992.18

Finding the Fourth Proportional to 10,387.88, 15,584.56 and 2,992.18

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Solution

The fourth proportional to 10,387.88, 15,584.56 and 2,992.18 is: 4,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.88 : 15,584.56 = 2,992.18 : x
  2. Step 2: Convert to fraction form
    10,387.88/15,584.56 = 2,992.18/x
  3. Step 3: Cross multiply
    10,387.88x = 15,584.56 × 2,992.18
  4. Step 4: Simplify right side
    10,387.88x = 46,631,808.74
  5. Step 5: Solve for x
    x = 46,631,808.74/10,387.88
  6. Step 6: Final answer
    x = 4,489.06

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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.