Home / 11,865.75-16,373.49-6,559.83

Finding the Fourth Proportional to 11,865.75, 16,373.49 and 6,559.83

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Solution

The fourth proportional to 11,865.75, 16,373.49 and 6,559.83 is: 9,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.75 : 16,373.49 = 6,559.83 : x
  2. Step 2: Convert to fraction form
    11,865.75/16,373.49 = 6,559.83/x
  3. Step 3: Cross multiply
    11,865.75x = 16,373.49 × 6,559.83
  4. Step 4: Simplify right side
    11,865.75x = 107,407,310.91
  5. Step 5: Solve for x
    x = 107,407,310.91/11,865.75
  6. Step 6: Final answer
    x = 9,051.88

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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.