Home / 11,320.23-16,958.25-7,412.79

Finding the Fourth Proportional to 11,320.23, 16,958.25 and 7,412.79

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Solution

The fourth proportional to 11,320.23, 16,958.25 and 7,412.79 is: 11,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.23 : 16,958.25 = 7,412.79 : x
  2. Step 2: Convert to fraction form
    11,320.23/16,958.25 = 7,412.79/x
  3. Step 3: Cross multiply
    11,320.23x = 16,958.25 × 7,412.79
  4. Step 4: Simplify right side
    11,320.23x = 125,707,842.69
  5. Step 5: Solve for x
    x = 125,707,842.69/11,320.23
  6. Step 6: Final answer
    x = 11,104.71

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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.