Home / 11,305.62-16,952.96-3,907.49

Finding the Fourth Proportional to 11,305.62, 16,952.96 and 3,907.49

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Solution

The fourth proportional to 11,305.62, 16,952.96 and 3,907.49 is: 5,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.62 : 16,952.96 = 3,907.49 : x
  2. Step 2: Convert to fraction form
    11,305.62/16,952.96 = 3,907.49/x
  3. Step 3: Cross multiply
    11,305.62x = 16,952.96 × 3,907.49
  4. Step 4: Simplify right side
    11,305.62x = 66,243,417.37
  5. Step 5: Solve for x
    x = 66,243,417.37/11,305.62
  6. Step 6: Final answer
    x = 5,859.34

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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.