Home / 14,613.82-20,162.31-8,942.65

Finding the Fourth Proportional to 14,613.82, 20,162.31 and 8,942.65

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Solution

The fourth proportional to 14,613.82, 20,162.31 and 8,942.65 is: 12,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.82 : 20,162.31 = 8,942.65 : x
  2. Step 2: Convert to fraction form
    14,613.82/20,162.31 = 8,942.65/x
  3. Step 3: Cross multiply
    14,613.82x = 20,162.31 × 8,942.65
  4. Step 4: Simplify right side
    14,613.82x = 180,304,503.88
  5. Step 5: Solve for x
    x = 180,304,503.88/14,613.82
  6. Step 6: Final answer
    x = 12,337.94

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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.