Home / 12,180.25-16,808.79-6,591.25

Finding the Fourth Proportional to 12,180.25, 16,808.79 and 6,591.25

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Solution

The fourth proportional to 12,180.25, 16,808.79 and 6,591.25 is: 9,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.25 : 16,808.79 = 6,591.25 : x
  2. Step 2: Convert to fraction form
    12,180.25/16,808.79 = 6,591.25/x
  3. Step 3: Cross multiply
    12,180.25x = 16,808.79 × 6,591.25
  4. Step 4: Simplify right side
    12,180.25x = 110,790,937.09
  5. Step 5: Solve for x
    x = 110,790,937.09/12,180.25
  6. Step 6: Final answer
    x = 9,095.95

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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.