Home / 14,057.03-21,067.78-12,298.02

Finding the Fourth Proportional to 14,057.03, 21,067.78 and 12,298.02

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Solution

The fourth proportional to 14,057.03, 21,067.78 and 12,298.02 is: 18,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.03 : 21,067.78 = 12,298.02 : x
  2. Step 2: Convert to fraction form
    14,057.03/21,067.78 = 12,298.02/x
  3. Step 3: Cross multiply
    14,057.03x = 21,067.78 × 12,298.02
  4. Step 4: Simplify right side
    14,057.03x = 259,091,979.80
  5. Step 5: Solve for x
    x = 259,091,979.80/14,057.03
  6. Step 6: Final answer
    x = 18,431.49

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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.