Home / 14,067.82-21,104.76-4,207.90

Finding the Fourth Proportional to 14,067.82, 21,104.76 and 4,207.90

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Solution

The fourth proportional to 14,067.82, 21,104.76 and 4,207.90 is: 6,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.82 : 21,104.76 = 4,207.90 : x
  2. Step 2: Convert to fraction form
    14,067.82/21,104.76 = 4,207.90/x
  3. Step 3: Cross multiply
    14,067.82x = 21,104.76 × 4,207.90
  4. Step 4: Simplify right side
    14,067.82x = 88,806,719.60
  5. Step 5: Solve for x
    x = 88,806,719.60/14,067.82
  6. Step 6: Final answer
    x = 6,312.76

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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.