Home / 14,694.36-20,277.82-7,979.68

Finding the Fourth Proportional to 14,694.36, 20,277.82 and 7,979.68

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Solution

The fourth proportional to 14,694.36, 20,277.82 and 7,979.68 is: 11,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.36 : 20,277.82 = 7,979.68 : x
  2. Step 2: Convert to fraction form
    14,694.36/20,277.82 = 7,979.68/x
  3. Step 3: Cross multiply
    14,694.36x = 20,277.82 × 7,979.68
  4. Step 4: Simplify right side
    14,694.36x = 161,810,514.70
  5. Step 5: Solve for x
    x = 161,810,514.70/14,694.36
  6. Step 6: Final answer
    x = 11,011.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.