Home / 11,868.83-16,379.30-6,563.84

Finding the Fourth Proportional to 11,868.83, 16,379.30 and 6,563.84

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Solution

The fourth proportional to 11,868.83, 16,379.30 and 6,563.84 is: 9,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.83 : 16,379.30 = 6,563.84 : x
  2. Step 2: Convert to fraction form
    11,868.83/16,379.30 = 6,563.84/x
  3. Step 3: Cross multiply
    11,868.83x = 16,379.30 × 6,563.84
  4. Step 4: Simplify right side
    11,868.83x = 107,510,989.80
  5. Step 5: Solve for x
    x = 107,510,989.80/11,868.83
  6. Step 6: Final answer
    x = 9,058.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.