Home / 10,776.76-16,165.08-3,381.77

Finding the Fourth Proportional to 10,776.76, 16,165.08 and 3,381.77

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Solution

The fourth proportional to 10,776.76, 16,165.08 and 3,381.77 is: 5,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.76 : 16,165.08 = 3,381.77 : x
  2. Step 2: Convert to fraction form
    10,776.76/16,165.08 = 3,381.77/x
  3. Step 3: Cross multiply
    10,776.76x = 16,165.08 × 3,381.77
  4. Step 4: Simplify right side
    10,776.76x = 54,666,623.00
  5. Step 5: Solve for x
    x = 54,666,623.00/10,776.76
  6. Step 6: Final answer
    x = 5,072.64

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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.