Home / 12,273.76-18,411.84-4,876.57

Finding the Fourth Proportional to 12,273.76, 18,411.84 and 4,876.57

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Solution

The fourth proportional to 12,273.76, 18,411.84 and 4,876.57 is: 7,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.76 : 18,411.84 = 4,876.57 : x
  2. Step 2: Convert to fraction form
    12,273.76/18,411.84 = 4,876.57/x
  3. Step 3: Cross multiply
    12,273.76x = 18,411.84 × 4,876.57
  4. Step 4: Simplify right side
    12,273.76x = 89,786,649.60
  5. Step 5: Solve for x
    x = 89,786,649.60/12,273.76
  6. Step 6: Final answer
    x = 7,315.33

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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.