Home / 11,028.72-16,529.04-5,172.44

Finding the Fourth Proportional to 11,028.72, 16,529.04 and 5,172.44

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Solution

The fourth proportional to 11,028.72, 16,529.04 and 5,172.44 is: 7,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.72 : 16,529.04 = 5,172.44 : x
  2. Step 2: Convert to fraction form
    11,028.72/16,529.04 = 5,172.44/x
  3. Step 3: Cross multiply
    11,028.72x = 16,529.04 × 5,172.44
  4. Step 4: Simplify right side
    11,028.72x = 85,495,467.66
  5. Step 5: Solve for x
    x = 85,495,467.66/11,028.72
  6. Step 6: Final answer
    x = 7,752.08

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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.