Home / 11,012.90-16,519.90-4,438.22

Finding the Fourth Proportional to 11,012.90, 16,519.90 and 4,438.22

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Solution

The fourth proportional to 11,012.90, 16,519.90 and 4,438.22 is: 6,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.90 : 16,519.90 = 4,438.22 : x
  2. Step 2: Convert to fraction form
    11,012.90/16,519.90 = 4,438.22/x
  3. Step 3: Cross multiply
    11,012.90x = 16,519.90 × 4,438.22
  4. Step 4: Simplify right side
    11,012.90x = 73,318,950.58
  5. Step 5: Solve for x
    x = 73,318,950.58/11,012.90
  6. Step 6: Final answer
    x = 6,657.55

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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.