Home / 10,172.88-15,259.58-3,247.38

Finding the Fourth Proportional to 10,172.88, 15,259.58 and 3,247.38

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Solution

The fourth proportional to 10,172.88, 15,259.58 and 3,247.38 is: 4,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.88 : 15,259.58 = 3,247.38 : x
  2. Step 2: Convert to fraction form
    10,172.88/15,259.58 = 3,247.38/x
  3. Step 3: Cross multiply
    10,172.88x = 15,259.58 × 3,247.38
  4. Step 4: Simplify right side
    10,172.88x = 49,553,654.90
  5. Step 5: Solve for x
    x = 49,553,654.90/10,172.88
  6. Step 6: Final answer
    x = 4,871.15

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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.