Home / 15,446.72-23,170.10-3,759.84

Finding the Fourth Proportional to 15,446.72, 23,170.10 and 3,759.84

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Solution

The fourth proportional to 15,446.72, 23,170.10 and 3,759.84 is: 5,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.72 : 23,170.10 = 3,759.84 : x
  2. Step 2: Convert to fraction form
    15,446.72/23,170.10 = 3,759.84/x
  3. Step 3: Cross multiply
    15,446.72x = 23,170.10 × 3,759.84
  4. Step 4: Simplify right side
    15,446.72x = 87,115,849.98
  5. Step 5: Solve for x
    x = 87,115,849.98/15,446.72
  6. Step 6: Final answer
    x = 5,639.76

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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.