Home / 10,902.94-16,356.85-3,977.44

Finding the Fourth Proportional to 10,902.94, 16,356.85 and 3,977.44

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Solution

The fourth proportional to 10,902.94, 16,356.85 and 3,977.44 is: 5,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.94 : 16,356.85 = 3,977.44 : x
  2. Step 2: Convert to fraction form
    10,902.94/16,356.85 = 3,977.44/x
  3. Step 3: Cross multiply
    10,902.94x = 16,356.85 × 3,977.44
  4. Step 4: Simplify right side
    10,902.94x = 65,058,389.46
  5. Step 5: Solve for x
    x = 65,058,389.46/10,902.94
  6. Step 6: Final answer
    x = 5,967.05

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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.