Home / 11,016.86-15,209.19-8,493.44

Finding the Fourth Proportional to 11,016.86, 15,209.19 and 8,493.44

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Solution

The fourth proportional to 11,016.86, 15,209.19 and 8,493.44 is: 11,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.86 : 15,209.19 = 8,493.44 : x
  2. Step 2: Convert to fraction form
    11,016.86/15,209.19 = 8,493.44/x
  3. Step 3: Cross multiply
    11,016.86x = 15,209.19 × 8,493.44
  4. Step 4: Simplify right side
    11,016.86x = 129,178,342.71
  5. Step 5: Solve for x
    x = 129,178,342.71/11,016.86
  6. Step 6: Final answer
    x = 11,725.51

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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.