Home / 19,576.90-29,370.34-6,429.38

Finding the Fourth Proportional to 19,576.90, 29,370.34 and 6,429.38

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Solution

The fourth proportional to 19,576.90, 29,370.34 and 6,429.38 is: 9,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.90 : 29,370.34 = 6,429.38 : x
  2. Step 2: Convert to fraction form
    19,576.90/29,370.34 = 6,429.38/x
  3. Step 3: Cross multiply
    19,576.90x = 29,370.34 × 6,429.38
  4. Step 4: Simplify right side
    19,576.90x = 188,833,076.59
  5. Step 5: Solve for x
    x = 188,833,076.59/19,576.90
  6. Step 6: Final answer
    x = 9,645.71

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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.