Home / 18,956.72-28,438.26-5,805.92

Finding the Fourth Proportional to 18,956.72, 28,438.26 and 5,805.92

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Solution

The fourth proportional to 18,956.72, 28,438.26 and 5,805.92 is: 8,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.72 : 28,438.26 = 5,805.92 : x
  2. Step 2: Convert to fraction form
    18,956.72/28,438.26 = 5,805.92/x
  3. Step 3: Cross multiply
    18,956.72x = 28,438.26 × 5,805.92
  4. Step 4: Simplify right side
    18,956.72x = 165,110,262.50
  5. Step 5: Solve for x
    x = 165,110,262.50/18,956.72
  6. Step 6: Final answer
    x = 8,709.85

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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.