Home / 12,326.91-17,011.13-7,021.73

Finding the Fourth Proportional to 12,326.91, 17,011.13 and 7,021.73

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Solution

The fourth proportional to 12,326.91, 17,011.13 and 7,021.73 is: 9,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.91 : 17,011.13 = 7,021.73 : x
  2. Step 2: Convert to fraction form
    12,326.91/17,011.13 = 7,021.73/x
  3. Step 3: Cross multiply
    12,326.91x = 17,011.13 × 7,021.73
  4. Step 4: Simplify right side
    12,326.91x = 119,447,441.69
  5. Step 5: Solve for x
    x = 119,447,441.69/12,326.91
  6. Step 6: Final answer
    x = 9,689.97

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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.