Home / 13,008.62-19,513.04-3,147.91

Finding the Fourth Proportional to 13,008.62, 19,513.04 and 3,147.91

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Solution

The fourth proportional to 13,008.62, 19,513.04 and 3,147.91 is: 4,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.62 : 19,513.04 = 3,147.91 : x
  2. Step 2: Convert to fraction form
    13,008.62/19,513.04 = 3,147.91/x
  3. Step 3: Cross multiply
    13,008.62x = 19,513.04 × 3,147.91
  4. Step 4: Simplify right side
    13,008.62x = 61,425,229.22
  5. Step 5: Solve for x
    x = 61,425,229.22/13,008.62
  6. Step 6: Final answer
    x = 4,721.89

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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.