Home / 11,107.33-16,660.28-6,119.35

Finding the Fourth Proportional to 11,107.33, 16,660.28 and 6,119.35

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Solution

The fourth proportional to 11,107.33, 16,660.28 and 6,119.35 is: 9,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.33 : 16,660.28 = 6,119.35 : x
  2. Step 2: Convert to fraction form
    11,107.33/16,660.28 = 6,119.35/x
  3. Step 3: Cross multiply
    11,107.33x = 16,660.28 × 6,119.35
  4. Step 4: Simplify right side
    11,107.33x = 101,950,058.07
  5. Step 5: Solve for x
    x = 101,950,058.07/11,107.33
  6. Step 6: Final answer
    x = 9,178.63

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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.