Home / 11,908.40-17,859.23-4,507.43

Finding the Fourth Proportional to 11,908.40, 17,859.23 and 4,507.43

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Solution

The fourth proportional to 11,908.40, 17,859.23 and 4,507.43 is: 6,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.40 : 17,859.23 = 4,507.43 : x
  2. Step 2: Convert to fraction form
    11,908.40/17,859.23 = 4,507.43/x
  3. Step 3: Cross multiply
    11,908.40x = 17,859.23 × 4,507.43
  4. Step 4: Simplify right side
    11,908.40x = 80,499,206.54
  5. Step 5: Solve for x
    x = 80,499,206.54/11,908.40
  6. Step 6: Final answer
    x = 6,759.87

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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.