Home / 11,391.02-17,086.08-3,493.22

Finding the Fourth Proportional to 11,391.02, 17,086.08 and 3,493.22

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Solution

The fourth proportional to 11,391.02, 17,086.08 and 3,493.22 is: 5,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.02 : 17,086.08 = 3,493.22 : x
  2. Step 2: Convert to fraction form
    11,391.02/17,086.08 = 3,493.22/x
  3. Step 3: Cross multiply
    11,391.02x = 17,086.08 × 3,493.22
  4. Step 4: Simplify right side
    11,391.02x = 59,685,436.38
  5. Step 5: Solve for x
    x = 59,685,436.38/11,391.02
  6. Step 6: Final answer
    x = 5,239.69

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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.