Home / 12,277.20-16,936.24-8,030.76

Finding the Fourth Proportional to 12,277.20, 16,936.24 and 8,030.76

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Solution

The fourth proportional to 12,277.20, 16,936.24 and 8,030.76 is: 11,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.20 : 16,936.24 = 8,030.76 : x
  2. Step 2: Convert to fraction form
    12,277.20/16,936.24 = 8,030.76/x
  3. Step 3: Cross multiply
    12,277.20x = 16,936.24 × 8,030.76
  4. Step 4: Simplify right side
    12,277.20x = 136,010,878.74
  5. Step 5: Solve for x
    x = 136,010,878.74/12,277.20
  6. Step 6: Final answer
    x = 11,078.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.