Home / 14,936.37-20,613.09-8,223.46

Finding the Fourth Proportional to 14,936.37, 20,613.09 and 8,223.46

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Solution

The fourth proportional to 14,936.37, 20,613.09 and 8,223.46 is: 11,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,936.37 : 20,613.09 = 8,223.46 : x
  2. Step 2: Convert to fraction form
    14,936.37/20,613.09 = 8,223.46/x
  3. Step 3: Cross multiply
    14,936.37x = 20,613.09 × 8,223.46
  4. Step 4: Simplify right side
    14,936.37x = 169,510,921.09
  5. Step 5: Solve for x
    x = 169,510,921.09/14,936.37
  6. Step 6: Final answer
    x = 11,348.87

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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.