Home / 11,118.70-16,674.18-3,721.60

Finding the Fourth Proportional to 11,118.70, 16,674.18 and 3,721.60

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Solution

The fourth proportional to 11,118.70, 16,674.18 and 3,721.60 is: 5,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.70 : 16,674.18 = 3,721.60 : x
  2. Step 2: Convert to fraction form
    11,118.70/16,674.18 = 3,721.60/x
  3. Step 3: Cross multiply
    11,118.70x = 16,674.18 × 3,721.60
  4. Step 4: Simplify right side
    11,118.70x = 62,054,628.29
  5. Step 5: Solve for x
    x = 62,054,628.29/11,118.70
  6. Step 6: Final answer
    x = 5,581.10

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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.