Home / 10,776.90-16,165.33-3,381.94

Finding the Fourth Proportional to 10,776.90, 16,165.33 and 3,381.94

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Solution

The fourth proportional to 10,776.90, 16,165.33 and 3,381.94 is: 5,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.90 : 16,165.33 = 3,381.94 : x
  2. Step 2: Convert to fraction form
    10,776.90/16,165.33 = 3,381.94/x
  3. Step 3: Cross multiply
    10,776.90x = 16,165.33 × 3,381.94
  4. Step 4: Simplify right side
    10,776.90x = 54,670,106.47
  5. Step 5: Solve for x
    x = 54,670,106.47/10,776.90
  6. Step 6: Final answer
    x = 5,072.90

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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.