Home / 10,002.38-15,003.77-3,076.88

Finding the Fourth Proportional to 10,002.38, 15,003.77 and 3,076.88

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Solution

The fourth proportional to 10,002.38, 15,003.77 and 3,076.88 is: 4,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.38 : 15,003.77 = 3,076.88 : x
  2. Step 2: Convert to fraction form
    10,002.38/15,003.77 = 3,076.88/x
  3. Step 3: Cross multiply
    10,002.38x = 15,003.77 × 3,076.88
  4. Step 4: Simplify right side
    10,002.38x = 46,164,709.43
  5. Step 5: Solve for x
    x = 46,164,709.43/10,002.38
  6. Step 6: Final answer
    x = 4,615.37

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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.