Home / 12,204.76-18,300.14-4,805.19

Finding the Fourth Proportional to 12,204.76, 18,300.14 and 4,805.19

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Solution

The fourth proportional to 12,204.76, 18,300.14 and 4,805.19 is: 7,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.76 : 18,300.14 = 4,805.19 : x
  2. Step 2: Convert to fraction form
    12,204.76/18,300.14 = 4,805.19/x
  3. Step 3: Cross multiply
    12,204.76x = 18,300.14 × 4,805.19
  4. Step 4: Simplify right side
    12,204.76x = 87,935,649.73
  5. Step 5: Solve for x
    x = 87,935,649.73/12,204.76
  6. Step 6: Final answer
    x = 7,205.03

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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.