Home / 16,694.91-23,037.41-9,979.20

Finding the Fourth Proportional to 16,694.91, 23,037.41 and 9,979.20

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Solution

The fourth proportional to 16,694.91, 23,037.41 and 9,979.20 is: 13,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,694.91 : 23,037.41 = 9,979.20 : x
  2. Step 2: Convert to fraction form
    16,694.91/23,037.41 = 9,979.20/x
  3. Step 3: Cross multiply
    16,694.91x = 23,037.41 × 9,979.20
  4. Step 4: Simplify right side
    16,694.91x = 229,894,871.98
  5. Step 5: Solve for x
    x = 229,894,871.98/16,694.91
  6. Step 6: Final answer
    x = 13,770.36

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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.