Home / 14,936.89-20,613.25-8,223.11

Finding the Fourth Proportional to 14,936.89, 20,613.25 and 8,223.11

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Solution

The fourth proportional to 14,936.89, 20,613.25 and 8,223.11 is: 11,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,936.89 : 20,613.25 = 8,223.11 : x
  2. Step 2: Convert to fraction form
    14,936.89/20,613.25 = 8,223.11/x
  3. Step 3: Cross multiply
    14,936.89x = 20,613.25 × 8,223.11
  4. Step 4: Simplify right side
    14,936.89x = 169,505,022.21
  5. Step 5: Solve for x
    x = 169,505,022.21/14,936.89
  6. Step 6: Final answer
    x = 11,348.08

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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.