Home / 18,268.13-27,414.45-11,862.86

Finding the Fourth Proportional to 18,268.13, 27,414.45 and 11,862.86

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Solution

The fourth proportional to 18,268.13, 27,414.45 and 11,862.86 is: 17,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.13 : 27,414.45 = 11,862.86 : x
  2. Step 2: Convert to fraction form
    18,268.13/27,414.45 = 11,862.86/x
  3. Step 3: Cross multiply
    18,268.13x = 27,414.45 × 11,862.86
  4. Step 4: Simplify right side
    18,268.13x = 325,213,645.25
  5. Step 5: Solve for x
    x = 325,213,645.25/18,268.13
  6. Step 6: Final answer
    x = 17,802.24

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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.