Home / 19,668.61-29,508.38-8,576.27

Finding the Fourth Proportional to 19,668.61, 29,508.38 and 8,576.27

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Solution

The fourth proportional to 19,668.61, 29,508.38 and 8,576.27 is: 12,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.61 : 29,508.38 = 8,576.27 : x
  2. Step 2: Convert to fraction form
    19,668.61/29,508.38 = 8,576.27/x
  3. Step 3: Cross multiply
    19,668.61x = 29,508.38 × 8,576.27
  4. Step 4: Simplify right side
    19,668.61x = 253,071,834.14
  5. Step 5: Solve for x
    x = 253,071,834.14/19,668.61
  6. Step 6: Final answer
    x = 12,866.79

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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.