Home / 10,728.74-16,095.14-3,331.49

Finding the Fourth Proportional to 10,728.74, 16,095.14 and 3,331.49

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Solution

The fourth proportional to 10,728.74, 16,095.14 and 3,331.49 is: 4,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.74 : 16,095.14 = 3,331.49 : x
  2. Step 2: Convert to fraction form
    10,728.74/16,095.14 = 3,331.49/x
  3. Step 3: Cross multiply
    10,728.74x = 16,095.14 × 3,331.49
  4. Step 4: Simplify right side
    10,728.74x = 53,620,700.83
  5. Step 5: Solve for x
    x = 53,620,700.83/10,728.74
  6. Step 6: Final answer
    x = 4,997.86

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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.