Home / 12,104.80-16,706.28-6,799.92

Finding the Fourth Proportional to 12,104.80, 16,706.28 and 6,799.92

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Solution

The fourth proportional to 12,104.80, 16,706.28 and 6,799.92 is: 9,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.80 : 16,706.28 = 6,799.92 : x
  2. Step 2: Convert to fraction form
    12,104.80/16,706.28 = 6,799.92/x
  3. Step 3: Cross multiply
    12,104.80x = 16,706.28 × 6,799.92
  4. Step 4: Simplify right side
    12,104.80x = 113,601,367.50
  5. Step 5: Solve for x
    x = 113,601,367.50/12,104.80
  6. Step 6: Final answer
    x = 9,384.82

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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.