Home / 13,799.82-20,704.72-8,528.66

Finding the Fourth Proportional to 13,799.82, 20,704.72 and 8,528.66

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Solution

The fourth proportional to 13,799.82, 20,704.72 and 8,528.66 is: 12,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.82 : 20,704.72 = 8,528.66 : x
  2. Step 2: Convert to fraction form
    13,799.82/20,704.72 = 8,528.66/x
  3. Step 3: Cross multiply
    13,799.82x = 20,704.72 × 8,528.66
  4. Step 4: Simplify right side
    13,799.82x = 176,583,517.28
  5. Step 5: Solve for x
    x = 176,583,517.28/13,799.82
  6. Step 6: Final answer
    x = 12,796.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.