Home / 10,826.62-16,240.39-3,430.91

Finding the Fourth Proportional to 10,826.62, 16,240.39 and 3,430.91

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Solution

The fourth proportional to 10,826.62, 16,240.39 and 3,430.91 is: 5,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.62 : 16,240.39 = 3,430.91 : x
  2. Step 2: Convert to fraction form
    10,826.62/16,240.39 = 3,430.91/x
  3. Step 3: Cross multiply
    10,826.62x = 16,240.39 × 3,430.91
  4. Step 4: Simplify right side
    10,826.62x = 55,719,348.48
  5. Step 5: Solve for x
    x = 55,719,348.48/10,826.62
  6. Step 6: Final answer
    x = 5,146.51

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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.