Home / 11,620.46-17,423.30-5,372.12

Finding the Fourth Proportional to 11,620.46, 17,423.30 and 5,372.12

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Solution

The fourth proportional to 11,620.46, 17,423.30 and 5,372.12 is: 8,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.46 : 17,423.30 = 5,372.12 : x
  2. Step 2: Convert to fraction form
    11,620.46/17,423.30 = 5,372.12/x
  3. Step 3: Cross multiply
    11,620.46x = 17,423.30 × 5,372.12
  4. Step 4: Simplify right side
    11,620.46x = 93,600,115.38
  5. Step 5: Solve for x
    x = 93,600,115.38/11,620.46
  6. Step 6: Final answer
    x = 8,054.77

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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.