Home / 11,118.66-16,678.19-3,721.74

Finding the Fourth Proportional to 11,118.66, 16,678.19 and 3,721.74

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Solution

The fourth proportional to 11,118.66, 16,678.19 and 3,721.74 is: 5,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.66 : 16,678.19 = 3,721.74 : x
  2. Step 2: Convert to fraction form
    11,118.66/16,678.19 = 3,721.74/x
  3. Step 3: Cross multiply
    11,118.66x = 16,678.19 × 3,721.74
  4. Step 4: Simplify right side
    11,118.66x = 62,071,886.85
  5. Step 5: Solve for x
    x = 62,071,886.85/11,118.66
  6. Step 6: Final answer
    x = 5,582.68

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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.