Home / 11,520.87-17,286.45-5,594.49

Finding the Fourth Proportional to 11,520.87, 17,286.45 and 5,594.49

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Solution

The fourth proportional to 11,520.87, 17,286.45 and 5,594.49 is: 8,394.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.87 : 17,286.45 = 5,594.49 : x
  2. Step 2: Convert to fraction form
    11,520.87/17,286.45 = 5,594.49/x
  3. Step 3: Cross multiply
    11,520.87x = 17,286.45 × 5,594.49
  4. Step 4: Simplify right side
    11,520.87x = 96,708,871.66
  5. Step 5: Solve for x
    x = 96,708,871.66/11,520.87
  6. Step 6: Final answer
    x = 8,394.23

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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.