Home / 11,005.86-16,508.76-2,685.78

Finding the Fourth Proportional to 11,005.86, 16,508.76 and 2,685.78

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Solution

The fourth proportional to 11,005.86, 16,508.76 and 2,685.78 is: 4,028.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.86 : 16,508.76 = 2,685.78 : x
  2. Step 2: Convert to fraction form
    11,005.86/16,508.76 = 2,685.78/x
  3. Step 3: Cross multiply
    11,005.86x = 16,508.76 × 2,685.78
  4. Step 4: Simplify right side
    11,005.86x = 44,338,897.43
  5. Step 5: Solve for x
    x = 44,338,897.43/11,005.86
  6. Step 6: Final answer
    x = 4,028.66

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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.