Home / 11,965.11-16,511.20-6,928.93

Finding the Fourth Proportional to 11,965.11, 16,511.20 and 6,928.93

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Solution

The fourth proportional to 11,965.11, 16,511.20 and 6,928.93 is: 9,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.11 : 16,511.20 = 6,928.93 : x
  2. Step 2: Convert to fraction form
    11,965.11/16,511.20 = 6,928.93/x
  3. Step 3: Cross multiply
    11,965.11x = 16,511.20 × 6,928.93
  4. Step 4: Simplify right side
    11,965.11x = 114,404,949.02
  5. Step 5: Solve for x
    x = 114,404,949.02/11,965.11
  6. Step 6: Final answer
    x = 9,561.55

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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.