Home / 14,593.37-20,136.83-8,218.89

Finding the Fourth Proportional to 14,593.37, 20,136.83 and 8,218.89

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Solution

The fourth proportional to 14,593.37, 20,136.83 and 8,218.89 is: 11,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.37 : 20,136.83 = 8,218.89 : x
  2. Step 2: Convert to fraction form
    14,593.37/20,136.83 = 8,218.89/x
  3. Step 3: Cross multiply
    14,593.37x = 20,136.83 × 8,218.89
  4. Step 4: Simplify right side
    14,593.37x = 165,502,349.62
  5. Step 5: Solve for x
    x = 165,502,349.62/14,593.37
  6. Step 6: Final answer
    x = 11,340.93

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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.