Home / 10,974.36-16,463.94-5,127.78

Finding the Fourth Proportional to 10,974.36, 16,463.94 and 5,127.78

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Solution

The fourth proportional to 10,974.36, 16,463.94 and 5,127.78 is: 7,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.36 : 16,463.94 = 5,127.78 : x
  2. Step 2: Convert to fraction form
    10,974.36/16,463.94 = 5,127.78/x
  3. Step 3: Cross multiply
    10,974.36x = 16,463.94 × 5,127.78
  4. Step 4: Simplify right side
    10,974.36x = 84,423,462.25
  5. Step 5: Solve for x
    x = 84,423,462.25/10,974.36
  6. Step 6: Final answer
    x = 7,692.79

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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.