Home / 21,199.52-29,268.03-13,252.51

Finding the Fourth Proportional to 21,199.52, 29,268.03 and 13,252.51

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Solution

The fourth proportional to 21,199.52, 29,268.03 and 13,252.51 is: 18,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199.52 : 29,268.03 = 13,252.51 : x
  2. Step 2: Convert to fraction form
    21,199.52/29,268.03 = 13,252.51/x
  3. Step 3: Cross multiply
    21,199.52x = 29,268.03 × 13,252.51
  4. Step 4: Simplify right side
    21,199.52x = 387,874,946.54
  5. Step 5: Solve for x
    x = 387,874,946.54/21,199.52
  6. Step 6: Final answer
    x = 18,296.40

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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.