Home / 11,419.38-17,126.78-4,023.68

Finding the Fourth Proportional to 11,419.38, 17,126.78 and 4,023.68

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Solution

The fourth proportional to 11,419.38, 17,126.78 and 4,023.68 is: 6,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.38 : 17,126.78 = 4,023.68 : x
  2. Step 2: Convert to fraction form
    11,419.38/17,126.78 = 4,023.68/x
  3. Step 3: Cross multiply
    11,419.38x = 17,126.78 × 4,023.68
  4. Step 4: Simplify right side
    11,419.38x = 68,912,576.40
  5. Step 5: Solve for x
    x = 68,912,576.40/11,419.38
  6. Step 6: Final answer
    x = 6,034.70

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1.5x scale

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.