Home / 11,212.09-15,472.91-6,176.52

Finding the Fourth Proportional to 11,212.09, 15,472.91 and 6,176.52

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Solution

The fourth proportional to 11,212.09, 15,472.91 and 6,176.52 is: 8,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.09 : 15,472.91 = 6,176.52 : x
  2. Step 2: Convert to fraction form
    11,212.09/15,472.91 = 6,176.52/x
  3. Step 3: Cross multiply
    11,212.09x = 15,472.91 × 6,176.52
  4. Step 4: Simplify right side
    11,212.09x = 95,568,753.51
  5. Step 5: Solve for x
    x = 95,568,753.51/11,212.09
  6. Step 6: Final answer
    x = 8,523.73

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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.