Home / 10,252.20-14,149.38-5,776.83

Finding the Fourth Proportional to 10,252.20, 14,149.38 and 5,776.83

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Solution

The fourth proportional to 10,252.20, 14,149.38 and 5,776.83 is: 7,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.20 : 14,149.38 = 5,776.83 : x
  2. Step 2: Convert to fraction form
    10,252.20/14,149.38 = 5,776.83/x
  3. Step 3: Cross multiply
    10,252.20x = 14,149.38 × 5,776.83
  4. Step 4: Simplify right side
    10,252.20x = 81,738,562.87
  5. Step 5: Solve for x
    x = 81,738,562.87/10,252.20
  6. Step 6: Final answer
    x = 7,972.78

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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.