Home / 11,508.80-15,910.45-11,403.54

Finding the Fourth Proportional to 11,508.80, 15,910.45 and 11,403.54

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Solution

The fourth proportional to 11,508.80, 15,910.45 and 11,403.54 is: 15,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.80 : 15,910.45 = 11,403.54 : x
  2. Step 2: Convert to fraction form
    11,508.80/15,910.45 = 11,403.54/x
  3. Step 3: Cross multiply
    11,508.80x = 15,910.45 × 11,403.54
  4. Step 4: Simplify right side
    11,508.80x = 181,435,424.48
  5. Step 5: Solve for x
    x = 181,435,424.48/11,508.80
  6. Step 6: Final answer
    x = 15,764.94

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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.