Home / 21,651.03-29,899.26-16,884.18

Finding the Fourth Proportional to 21,651.03, 29,899.26 and 16,884.18

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Solution

The fourth proportional to 21,651.03, 29,899.26 and 16,884.18 is: 23,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651.03 : 29,899.26 = 16,884.18 : x
  2. Step 2: Convert to fraction form
    21,651.03/29,899.26 = 16,884.18/x
  3. Step 3: Cross multiply
    21,651.03x = 29,899.26 × 16,884.18
  4. Step 4: Simplify right side
    21,651.03x = 504,824,487.71
  5. Step 5: Solve for x
    x = 504,824,487.71/21,651.03
  6. Step 6: Final answer
    x = 23,316.42

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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.