Home / 43,586.96-65,366.13-13,997.80

Finding the Fourth Proportional to 43,586.96, 65,366.13 and 13,997.80

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Solution

The fourth proportional to 43,586.96, 65,366.13 and 13,997.80 is: 20,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,586.96 : 65,366.13 = 13,997.80 : x
  2. Step 2: Convert to fraction form
    43,586.96/65,366.13 = 13,997.80/x
  3. Step 3: Cross multiply
    43,586.96x = 65,366.13 × 13,997.80
  4. Step 4: Simplify right side
    43,586.96x = 914,981,687.68
  5. Step 5: Solve for x
    x = 914,981,687.68/43,586.96
  6. Step 6: Final answer
    x = 20,992.10

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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.