Home / 10,234.14-14,122.98-5,757.90

Finding the Fourth Proportional to 10,234.14, 14,122.98 and 5,757.90

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Solution

The fourth proportional to 10,234.14, 14,122.98 and 5,757.90 is: 7,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.14 : 14,122.98 = 5,757.90 : x
  2. Step 2: Convert to fraction form
    10,234.14/14,122.98 = 5,757.90/x
  3. Step 3: Cross multiply
    10,234.14x = 14,122.98 × 5,757.90
  4. Step 4: Simplify right side
    10,234.14x = 81,318,706.54
  5. Step 5: Solve for x
    x = 81,318,706.54/10,234.14
  6. Step 6: Final answer
    x = 7,945.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.