Home / 10,286.82-14,185.20-8,799.66

Finding the Fourth Proportional to 10,286.82, 14,185.20 and 8,799.66

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Solution

The fourth proportional to 10,286.82, 14,185.20 and 8,799.66 is: 12,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.82 : 14,185.20 = 8,799.66 : x
  2. Step 2: Convert to fraction form
    10,286.82/14,185.20 = 8,799.66/x
  3. Step 3: Cross multiply
    10,286.82x = 14,185.20 × 8,799.66
  4. Step 4: Simplify right side
    10,286.82x = 124,824,937.03
  5. Step 5: Solve for x
    x = 124,824,937.03/10,286.82
  6. Step 6: Final answer
    x = 12,134.45

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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.