Home / 11,005.80-16,508.55-2,685.75

Finding the Fourth Proportional to 11,005.80, 16,508.55 and 2,685.75

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Solution

The fourth proportional to 11,005.80, 16,508.55 and 2,685.75 is: 4,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.80 : 16,508.55 = 2,685.75 : x
  2. Step 2: Convert to fraction form
    11,005.80/16,508.55 = 2,685.75/x
  3. Step 3: Cross multiply
    11,005.80x = 16,508.55 × 2,685.75
  4. Step 4: Simplify right side
    11,005.80x = 44,337,838.16
  5. Step 5: Solve for x
    x = 44,337,838.16/11,005.80
  6. Step 6: Final answer
    x = 4,028.59

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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.