Home / 21,656.09-29,884.57-13,594.07

Finding the Fourth Proportional to 21,656.09, 29,884.57 and 13,594.07

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Solution

The fourth proportional to 21,656.09, 29,884.57 and 13,594.07 is: 18,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.09 : 29,884.57 = 13,594.07 : x
  2. Step 2: Convert to fraction form
    21,656.09/29,884.57 = 13,594.07/x
  3. Step 3: Cross multiply
    21,656.09x = 29,884.57 × 13,594.07
  4. Step 4: Simplify right side
    21,656.09x = 406,252,977.23
  5. Step 5: Solve for x
    x = 406,252,977.23/21,656.09
  6. Step 6: Final answer
    x = 18,759.29

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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.