Home / 21,136.44-29,168.34-11,446.02

Finding the Fourth Proportional to 21,136.44, 29,168.34 and 11,446.02

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Solution

The fourth proportional to 21,136.44, 29,168.34 and 11,446.02 is: 15,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,136.44 : 29,168.34 = 11,446.02 : x
  2. Step 2: Convert to fraction form
    21,136.44/29,168.34 = 11,446.02/x
  3. Step 3: Cross multiply
    21,136.44x = 29,168.34 × 11,446.02
  4. Step 4: Simplify right side
    21,136.44x = 333,861,403.01
  5. Step 5: Solve for x
    x = 333,861,403.01/21,136.44
  6. Step 6: Final answer
    x = 15,795.54

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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.