Home / 11,118.87-16,678.21-4,540.44

Finding the Fourth Proportional to 11,118.87, 16,678.21 and 4,540.44

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Solution

The fourth proportional to 11,118.87, 16,678.21 and 4,540.44 is: 6,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.87 : 16,678.21 = 4,540.44 : x
  2. Step 2: Convert to fraction form
    11,118.87/16,678.21 = 4,540.44/x
  3. Step 3: Cross multiply
    11,118.87x = 16,678.21 × 4,540.44
  4. Step 4: Simplify right side
    11,118.87x = 75,726,411.81
  5. Step 5: Solve for x
    x = 75,726,411.81/11,118.87
  6. Step 6: Final answer
    x = 6,810.62

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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.