Home / 12,635.58-18,956.46-9,081.70

Finding the Fourth Proportional to 12,635.58, 18,956.46 and 9,081.70

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Solution

The fourth proportional to 12,635.58, 18,956.46 and 9,081.70 is: 13,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.58 : 18,956.46 = 9,081.70 : x
  2. Step 2: Convert to fraction form
    12,635.58/18,956.46 = 9,081.70/x
  3. Step 3: Cross multiply
    12,635.58x = 18,956.46 × 9,081.70
  4. Step 4: Simplify right side
    12,635.58x = 172,156,882.78
  5. Step 5: Solve for x
    x = 172,156,882.78/12,635.58
  6. Step 6: Final answer
    x = 13,624.77

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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.