Home / 11,128.19-16,689.54-3,732.48

Finding the Fourth Proportional to 11,128.19, 16,689.54 and 3,732.48

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Solution

The fourth proportional to 11,128.19, 16,689.54 and 3,732.48 is: 5,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.19 : 16,689.54 = 3,732.48 : x
  2. Step 2: Convert to fraction form
    11,128.19/16,689.54 = 3,732.48/x
  3. Step 3: Cross multiply
    11,128.19x = 16,689.54 × 3,732.48
  4. Step 4: Simplify right side
    11,128.19x = 62,293,388.26
  5. Step 5: Solve for x
    x = 62,293,388.26/11,128.19
  6. Step 6: Final answer
    x = 5,597.80

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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.