Home / 14,067.40-21,101.34-4,206.82

Finding the Fourth Proportional to 14,067.40, 21,101.34 and 4,206.82

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Solution

The fourth proportional to 14,067.40, 21,101.34 and 4,206.82 is: 6,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.40 : 21,101.34 = 4,206.82 : x
  2. Step 2: Convert to fraction form
    14,067.40/21,101.34 = 4,206.82/x
  3. Step 3: Cross multiply
    14,067.40x = 21,101.34 × 4,206.82
  4. Step 4: Simplify right side
    14,067.40x = 88,769,539.14
  5. Step 5: Solve for x
    x = 88,769,539.14/14,067.40
  6. Step 6: Final answer
    x = 6,310.30

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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.