Home / 12,076.92-18,032.76-10,819.44

Finding the Fourth Proportional to 12,076.92, 18,032.76 and 10,819.44

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Solution

The fourth proportional to 12,076.92, 18,032.76 and 10,819.44 is: 16,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.92 : 18,032.76 = 10,819.44 : x
  2. Step 2: Convert to fraction form
    12,076.92/18,032.76 = 10,819.44/x
  3. Step 3: Cross multiply
    12,076.92x = 18,032.76 × 10,819.44
  4. Step 4: Simplify right side
    12,076.92x = 195,104,364.85
  5. Step 5: Solve for x
    x = 195,104,364.85/12,076.92
  6. Step 6: Final answer
    x = 16,155.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.