Home / 18,843.39-28,277.37-13,925.34

Finding the Fourth Proportional to 18,843.39, 28,277.37 and 13,925.34

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Solution

The fourth proportional to 18,843.39, 28,277.37 and 13,925.34 is: 20,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.39 : 28,277.37 = 13,925.34 : x
  2. Step 2: Convert to fraction form
    18,843.39/28,277.37 = 13,925.34/x
  3. Step 3: Cross multiply
    18,843.39x = 28,277.37 × 13,925.34
  4. Step 4: Simplify right side
    18,843.39x = 393,771,991.56
  5. Step 5: Solve for x
    x = 393,771,991.56/18,843.39
  6. Step 6: Final answer
    x = 20,897.09

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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.