Home / 11,428.68-17,144.39-4,031.61

Finding the Fourth Proportional to 11,428.68, 17,144.39 and 4,031.61

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Solution

The fourth proportional to 11,428.68, 17,144.39 and 4,031.61 is: 6,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428.68 : 17,144.39 = 4,031.61 : x
  2. Step 2: Convert to fraction form
    11,428.68/17,144.39 = 4,031.61/x
  3. Step 3: Cross multiply
    11,428.68x = 17,144.39 × 4,031.61
  4. Step 4: Simplify right side
    11,428.68x = 69,119,494.17
  5. Step 5: Solve for x
    x = 69,119,494.17/11,428.68
  6. Step 6: Final answer
    x = 6,047.90

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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.