Home / 11,493.78-17,242.38-5,650.80

Finding the Fourth Proportional to 11,493.78, 17,242.38 and 5,650.80

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Solution

The fourth proportional to 11,493.78, 17,242.38 and 5,650.80 is: 8,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.78 : 17,242.38 = 5,650.80 : x
  2. Step 2: Convert to fraction form
    11,493.78/17,242.38 = 5,650.80/x
  3. Step 3: Cross multiply
    11,493.78x = 17,242.38 × 5,650.80
  4. Step 4: Simplify right side
    11,493.78x = 97,433,240.90
  5. Step 5: Solve for x
    x = 97,433,240.90/11,493.78
  6. Step 6: Final answer
    x = 8,477.04

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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.