Home / 11,868.45-16,379.38-6,563.76

Finding the Fourth Proportional to 11,868.45, 16,379.38 and 6,563.76

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Solution

The fourth proportional to 11,868.45, 16,379.38 and 6,563.76 is: 9,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.45 : 16,379.38 = 6,563.76 : x
  2. Step 2: Convert to fraction form
    11,868.45/16,379.38 = 6,563.76/x
  3. Step 3: Cross multiply
    11,868.45x = 16,379.38 × 6,563.76
  4. Step 4: Simplify right side
    11,868.45x = 107,510,319.27
  5. Step 5: Solve for x
    x = 107,510,319.27/11,868.45
  6. Step 6: Final answer
    x = 9,058.50

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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.