Home / 14,615.67-20,169.09-8,326.83

Finding the Fourth Proportional to 14,615.67, 20,169.09 and 8,326.83

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Solution

The fourth proportional to 14,615.67, 20,169.09 and 8,326.83 is: 11,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.67 : 20,169.09 = 8,326.83 : x
  2. Step 2: Convert to fraction form
    14,615.67/20,169.09 = 8,326.83/x
  3. Step 3: Cross multiply
    14,615.67x = 20,169.09 × 8,326.83
  4. Step 4: Simplify right side
    14,615.67x = 167,944,583.68
  5. Step 5: Solve for x
    x = 167,944,583.68/14,615.67
  6. Step 6: Final answer
    x = 11,490.72

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Similar ratio
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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.