Home / 10,287.14-15,418.31-4,732.88

Finding the Fourth Proportional to 10,287.14, 15,418.31 and 4,732.88

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Solution

The fourth proportional to 10,287.14, 15,418.31 and 4,732.88 is: 7,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.14 : 15,418.31 = 4,732.88 : x
  2. Step 2: Convert to fraction form
    10,287.14/15,418.31 = 4,732.88/x
  3. Step 3: Cross multiply
    10,287.14x = 15,418.31 × 4,732.88
  4. Step 4: Simplify right side
    10,287.14x = 72,972,987.37
  5. Step 5: Solve for x
    x = 72,972,987.37/10,287.14
  6. Step 6: Final answer
    x = 7,093.61

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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.