Home / 12,826.38-19,240.67-4,505.68

Finding the Fourth Proportional to 12,826.38, 19,240.67 and 4,505.68

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Solution

The fourth proportional to 12,826.38, 19,240.67 and 4,505.68 is: 6,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.38 : 19,240.67 = 4,505.68 : x
  2. Step 2: Convert to fraction form
    12,826.38/19,240.67 = 4,505.68/x
  3. Step 3: Cross multiply
    12,826.38x = 19,240.67 × 4,505.68
  4. Step 4: Simplify right side
    12,826.38x = 86,692,229.09
  5. Step 5: Solve for x
    x = 86,692,229.09/12,826.38
  6. Step 6: Final answer
    x = 6,758.90

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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.