Home / 13,694.25-18,897.40-8,028.24

Finding the Fourth Proportional to 13,694.25, 18,897.40 and 8,028.24

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Solution

The fourth proportional to 13,694.25, 18,897.40 and 8,028.24 is: 11,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.25 : 18,897.40 = 8,028.24 : x
  2. Step 2: Convert to fraction form
    13,694.25/18,897.40 = 8,028.24/x
  3. Step 3: Cross multiply
    13,694.25x = 18,897.40 × 8,028.24
  4. Step 4: Simplify right side
    13,694.25x = 151,712,862.58
  5. Step 5: Solve for x
    x = 151,712,862.58/13,694.25
  6. Step 6: Final answer
    x = 11,078.58

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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.