Home / 12,600.82-18,897.99-4,805.38

Finding the Fourth Proportional to 12,600.82, 18,897.99 and 4,805.38

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Solution

The fourth proportional to 12,600.82, 18,897.99 and 4,805.38 is: 7,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.82 : 18,897.99 = 4,805.38 : x
  2. Step 2: Convert to fraction form
    12,600.82/18,897.99 = 4,805.38/x
  3. Step 3: Cross multiply
    12,600.82x = 18,897.99 × 4,805.38
  4. Step 4: Simplify right side
    12,600.82x = 90,812,023.19
  5. Step 5: Solve for x
    x = 90,812,023.19/12,600.82
  6. Step 6: Final answer
    x = 7,206.83

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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.