Home / 11,513.64-17,269.74-3,721.80

Finding the Fourth Proportional to 11,513.64, 17,269.74 and 3,721.80

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Solution

The fourth proportional to 11,513.64, 17,269.74 and 3,721.80 is: 5,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.64 : 17,269.74 = 3,721.80 : x
  2. Step 2: Convert to fraction form
    11,513.64/17,269.74 = 3,721.80/x
  3. Step 3: Cross multiply
    11,513.64x = 17,269.74 × 3,721.80
  4. Step 4: Simplify right side
    11,513.64x = 64,274,518.33
  5. Step 5: Solve for x
    x = 64,274,518.33/11,513.64
  6. Step 6: Final answer
    x = 5,582.47

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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.