Home / 11,389.66-17,087.02-3,493.28

Finding the Fourth Proportional to 11,389.66, 17,087.02 and 3,493.28

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Solution

The fourth proportional to 11,389.66, 17,087.02 and 3,493.28 is: 5,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.66 : 17,087.02 = 3,493.28 : x
  2. Step 2: Convert to fraction form
    11,389.66/17,087.02 = 3,493.28/x
  3. Step 3: Cross multiply
    11,389.66x = 17,087.02 × 3,493.28
  4. Step 4: Simplify right side
    11,389.66x = 59,689,745.23
  5. Step 5: Solve for x
    x = 59,689,745.23/11,389.66
  6. Step 6: Final answer
    x = 5,240.70

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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.