Home / 11,018.22-16,521.84-3,621.84

Finding the Fourth Proportional to 11,018.22, 16,521.84 and 3,621.84

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Solution

The fourth proportional to 11,018.22, 16,521.84 and 3,621.84 is: 5,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.22 : 16,521.84 = 3,621.84 : x
  2. Step 2: Convert to fraction form
    11,018.22/16,521.84 = 3,621.84/x
  3. Step 3: Cross multiply
    11,018.22x = 16,521.84 × 3,621.84
  4. Step 4: Simplify right side
    11,018.22x = 59,839,460.99
  5. Step 5: Solve for x
    x = 59,839,460.99/11,018.22
  6. Step 6: Final answer
    x = 5,430.96

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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.