Home / 10,777.38-16,164.27-2,986.98

Finding the Fourth Proportional to 10,777.38, 16,164.27 and 2,986.98

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Solution

The fourth proportional to 10,777.38, 16,164.27 and 2,986.98 is: 4,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.38 : 16,164.27 = 2,986.98 : x
  2. Step 2: Convert to fraction form
    10,777.38/16,164.27 = 2,986.98/x
  3. Step 3: Cross multiply
    10,777.38x = 16,164.27 × 2,986.98
  4. Step 4: Simplify right side
    10,777.38x = 48,282,351.20
  5. Step 5: Solve for x
    x = 48,282,351.20/10,777.38
  6. Step 6: Final answer
    x = 4,479.97

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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.