Home / 17,217-25,829.82-4,905

Finding the Fourth Proportional to 17,217, 25,829.82 and 4,905

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Solution

The fourth proportional to 17,217, 25,829.82 and 4,905 is: 7,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217 : 25,829.82 = 4,905 : x
  2. Step 2: Convert to fraction form
    17,217/25,829.82 = 4,905/x
  3. Step 3: Cross multiply
    17,217x = 25,829.82 × 4,905
  4. Step 4: Simplify right side
    17,217x = 126,695,267.10
  5. Step 5: Solve for x
    x = 126,695,267.10/17,217
  6. Step 6: Final answer
    x = 7,358.73

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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.