Home / 11,324-16,987.92-3,531.26

Finding the Fourth Proportional to 11,324, 16,987.92 and 3,531.26

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Solution

The fourth proportional to 11,324, 16,987.92 and 3,531.26 is: 5,297.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324 : 16,987.92 = 3,531.26 : x
  2. Step 2: Convert to fraction form
    11,324/16,987.92 = 3,531.26/x
  3. Step 3: Cross multiply
    11,324x = 16,987.92 × 3,531.26
  4. Step 4: Simplify right side
    11,324x = 59,988,762.38
  5. Step 5: Solve for x
    x = 59,988,762.38/11,324
  6. Step 6: Final answer
    x = 5,297.49

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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.