Home / 11,721.02-17,582.90-4,119.97

Finding the Fourth Proportional to 11,721.02, 17,582.90 and 4,119.97

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Solution

The fourth proportional to 11,721.02, 17,582.90 and 4,119.97 is: 6,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.02 : 17,582.90 = 4,119.97 : x
  2. Step 2: Convert to fraction form
    11,721.02/17,582.90 = 4,119.97/x
  3. Step 3: Cross multiply
    11,721.02x = 17,582.90 × 4,119.97
  4. Step 4: Simplify right side
    11,721.02x = 72,441,020.51
  5. Step 5: Solve for x
    x = 72,441,020.51/11,721.02
  6. Step 6: Final answer
    x = 6,180.44

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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.