Home / 10,102.47-15,156.09-3,176.97

Finding the Fourth Proportional to 10,102.47, 15,156.09 and 3,176.97

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Solution

The fourth proportional to 10,102.47, 15,156.09 and 3,176.97 is: 4,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.47 : 15,156.09 = 3,176.97 : x
  2. Step 2: Convert to fraction form
    10,102.47/15,156.09 = 3,176.97/x
  3. Step 3: Cross multiply
    10,102.47x = 15,156.09 × 3,176.97
  4. Step 4: Simplify right side
    10,102.47x = 48,150,443.25
  5. Step 5: Solve for x
    x = 48,150,443.25/10,102.47
  6. Step 6: Final answer
    x = 4,766.21

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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.