Home / 13,924.38-20,886.24-3,394.44

Finding the Fourth Proportional to 13,924.38, 20,886.24 and 3,394.44

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Solution

The fourth proportional to 13,924.38, 20,886.24 and 3,394.44 is: 5,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.38 : 20,886.24 = 3,394.44 : x
  2. Step 2: Convert to fraction form
    13,924.38/20,886.24 = 3,394.44/x
  3. Step 3: Cross multiply
    13,924.38x = 20,886.24 × 3,394.44
  4. Step 4: Simplify right side
    13,924.38x = 70,897,088.51
  5. Step 5: Solve for x
    x = 70,897,088.51/13,924.38
  6. Step 6: Final answer
    x = 5,091.58

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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.