Home / 18,523.40-27,789.66-5,375.59

Finding the Fourth Proportional to 18,523.40, 27,789.66 and 5,375.59

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Solution

The fourth proportional to 18,523.40, 27,789.66 and 5,375.59 is: 8,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.40 : 27,789.66 = 5,375.59 : x
  2. Step 2: Convert to fraction form
    18,523.40/27,789.66 = 5,375.59/x
  3. Step 3: Cross multiply
    18,523.40x = 27,789.66 × 5,375.59
  4. Step 4: Simplify right side
    18,523.40x = 149,385,748.93
  5. Step 5: Solve for x
    x = 149,385,748.93/18,523.40
  6. Step 6: Final answer
    x = 8,064.70

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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.