Home / 13,931.01-20,894.36-4,067.64

Finding the Fourth Proportional to 13,931.01, 20,894.36 and 4,067.64

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Solution

The fourth proportional to 13,931.01, 20,894.36 and 4,067.64 is: 6,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.01 : 20,894.36 = 4,067.64 : x
  2. Step 2: Convert to fraction form
    13,931.01/20,894.36 = 4,067.64/x
  3. Step 3: Cross multiply
    13,931.01x = 20,894.36 × 4,067.64
  4. Step 4: Simplify right side
    13,931.01x = 84,990,714.17
  5. Step 5: Solve for x
    x = 84,990,714.17/13,931.01
  6. Step 6: Final answer
    x = 6,100.83

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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.