Home / 14,091.30-21,136.68-5,659.94

Finding the Fourth Proportional to 14,091.30, 21,136.68 and 5,659.94

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Solution

The fourth proportional to 14,091.30, 21,136.68 and 5,659.94 is: 8,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.30 : 21,136.68 = 5,659.94 : x
  2. Step 2: Convert to fraction form
    14,091.30/21,136.68 = 5,659.94/x
  3. Step 3: Cross multiply
    14,091.30x = 21,136.68 × 5,659.94
  4. Step 4: Simplify right side
    14,091.30x = 119,632,393.44
  5. Step 5: Solve for x
    x = 119,632,393.44/14,091.30
  6. Step 6: Final answer
    x = 8,489.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.