Home / 11,868.20-16,379.03-6,563.51

Finding the Fourth Proportional to 11,868.20, 16,379.03 and 6,563.51

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Solution

The fourth proportional to 11,868.20, 16,379.03 and 6,563.51 is: 9,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.20 : 16,379.03 = 6,563.51 : x
  2. Step 2: Convert to fraction form
    11,868.20/16,379.03 = 6,563.51/x
  3. Step 3: Cross multiply
    11,868.20x = 16,379.03 × 6,563.51
  4. Step 4: Simplify right side
    11,868.20x = 107,503,861.71
  5. Step 5: Solve for x
    x = 107,503,861.71/11,868.20
  6. Step 6: Final answer
    x = 9,058.15

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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.