Home / 14,613.75-20,170.62-8,329.77

Finding the Fourth Proportional to 14,613.75, 20,170.62 and 8,329.77

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Solution

The fourth proportional to 14,613.75, 20,170.62 and 8,329.77 is: 11,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.75 : 20,170.62 = 8,329.77 : x
  2. Step 2: Convert to fraction form
    14,613.75/20,170.62 = 8,329.77/x
  3. Step 3: Cross multiply
    14,613.75x = 20,170.62 × 8,329.77
  4. Step 4: Simplify right side
    14,613.75x = 168,016,625.36
  5. Step 5: Solve for x
    x = 168,016,625.36/14,613.75
  6. Step 6: Final answer
    x = 11,497.16

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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.