Home / 14,937.11-20,613.68-8,131.59

Finding the Fourth Proportional to 14,937.11, 20,613.68 and 8,131.59

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Solution

The fourth proportional to 14,937.11, 20,613.68 and 8,131.59 is: 11,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.11 : 20,613.68 = 8,131.59 : x
  2. Step 2: Convert to fraction form
    14,937.11/20,613.68 = 8,131.59/x
  3. Step 3: Cross multiply
    14,937.11x = 20,613.68 × 8,131.59
  4. Step 4: Simplify right side
    14,937.11x = 167,621,942.62
  5. Step 5: Solve for x
    x = 167,621,942.62/14,937.11
  6. Step 6: Final answer
    x = 11,221.84

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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.