Home / 11,334.11-16,986.80-6,406.54

Finding the Fourth Proportional to 11,334.11, 16,986.80 and 6,406.54

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Solution

The fourth proportional to 11,334.11, 16,986.80 and 6,406.54 is: 9,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.11 : 16,986.80 = 6,406.54 : x
  2. Step 2: Convert to fraction form
    11,334.11/16,986.80 = 6,406.54/x
  3. Step 3: Cross multiply
    11,334.11x = 16,986.80 × 6,406.54
  4. Step 4: Simplify right side
    11,334.11x = 108,826,587.22
  5. Step 5: Solve for x
    x = 108,826,587.22/11,334.11
  6. Step 6: Final answer
    x = 9,601.69

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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.