Home / 14,166.35-21,231.30-8,613.80

Finding the Fourth Proportional to 14,166.35, 21,231.30 and 8,613.80

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Solution

The fourth proportional to 14,166.35, 21,231.30 and 8,613.80 is: 12,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.35 : 21,231.30 = 8,613.80 : x
  2. Step 2: Convert to fraction form
    14,166.35/21,231.30 = 8,613.80/x
  3. Step 3: Cross multiply
    14,166.35x = 21,231.30 × 8,613.80
  4. Step 4: Simplify right side
    14,166.35x = 182,882,171.94
  5. Step 5: Solve for x
    x = 182,882,171.94/14,166.35
  6. Step 6: Final answer
    x = 12,909.62

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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.