Home / 12,766.73-19,130.07-8,076.83

Finding the Fourth Proportional to 12,766.73, 19,130.07 and 8,076.83

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Solution

The fourth proportional to 12,766.73, 19,130.07 and 8,076.83 is: 12,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.73 : 19,130.07 = 8,076.83 : x
  2. Step 2: Convert to fraction form
    12,766.73/19,130.07 = 8,076.83/x
  3. Step 3: Cross multiply
    12,766.73x = 19,130.07 × 8,076.83
  4. Step 4: Simplify right side
    12,766.73x = 154,510,275.45
  5. Step 5: Solve for x
    x = 154,510,275.45/12,766.73
  6. Step 6: Final answer
    x = 12,102.57

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1.5x scale

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.