Home / 12,826.63-19,239.42-4,508.53

Finding the Fourth Proportional to 12,826.63, 19,239.42 and 4,508.53

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Solution

The fourth proportional to 12,826.63, 19,239.42 and 4,508.53 is: 6,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.63 : 19,239.42 = 4,508.53 : x
  2. Step 2: Convert to fraction form
    12,826.63/19,239.42 = 4,508.53/x
  3. Step 3: Cross multiply
    12,826.63x = 19,239.42 × 4,508.53
  4. Step 4: Simplify right side
    12,826.63x = 86,741,502.25
  5. Step 5: Solve for x
    x = 86,741,502.25/12,826.63
  6. Step 6: Final answer
    x = 6,762.61

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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.